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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (, 1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 3); 9 (, 1-2, 3); 10 (, 1 to 3); 11 (, 1-2, 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1-2, 3); 16 (, 1 to 3); 17 (, 1, 2-3); 18 (, 1, 2-3, 4); 19 (, 1-2, 3, 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1-2, 3, 4); 25 (, 1, 2, 3-4); 26 (, 1, 2-3, 4); 27 (, 1 to 4); 28 (, 1-2, 3, 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1, 2-4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1, 2, 3-4); 35 (, 1 to 4); 36 (, 1-2, 3-4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1, 2-3, 4); 40 (, 1, 2, 3-4); 41 (, 1, 2, 3-4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1-2, 3, 4); 45 (, 1, 2, 3-4); 46 (, 1-2, 3, 4); 47 (, 1-2, 3, 4); 48 (, 1, 2-3, 4); 49 (, 1-2, 3, 4); 50 (, 1, 3, 4); 51 (, 1, 2, 3-4); 52 (, 1-2, 3, 4); 53 (, 1-3, 4); 54 (, 1-2, 3, 4); 55 (, 1-2, 3, 4); 56 (, 1-2, 3); 57 (, 1-2, 3); 58 (, 1-2, 3); 59 (, 1-2, 3); 60 (, 1-2, 3); 61 (, 1-2, 3); 62 (, 1-3); 63 (, 1-2, 3); 64 (, 1-2, 3); 65 (, 1-2, 3); 66 (, 1-2, 3); 67 (, 1, 2-3); 68 (, 1-2, 3); 69 (, 1, 2-3); 70 (, 1-2, 3); 71 (, 1-2, 3); 72 (, 1-2, 3); 73 (, 1-2, 3); 74 (, 1-3, 4); 75 (, 1-2, 3, 4); 76 (, 1-2, 3-4); 77 (, 1-2, 3-4); 78 (, 1, 2-4); 79 (, 1-2, 3-4); 80 (, 1-2, 3-4); 81 (, 1, 2, 3-4); 82 (, 1-2, 3-4); 83 (, 1-2, 3, 4); 84 (, 1, 2, 3-4); 85 (, 1-2, 3-4); 86 (, 1-2, 3-4); 87 (, 1, 3-4); 88 (, 1, 2, 3-4); 89 (, 1-2, 3-4); 90 (, 1-2, 3, 4); 91 (, 1-2, 3-4); 92 (, 1-2, 3-4); 93 (, 1-2, 3-4); 94 (, 1-2, 3-4); 95 (, 1-2, 3-4); 96 (, 1-2, 3, 4); 97 (, 1-2, 3-4); 98 (, 1-2, 3-4); 99 (, 1-2, 3-4); 100 (, 1, 2, 3-4); 101 (, 1-2, 3-4); 102 (, 1-2, 3-4); 103 (, 1-2, 3-4); 104 (, 1, 2, 3-4); 105 (, 1-2, 3-4); 106 (, 1 to 4); 107 (, 1-2, 3-4); 108 (, 1-2, 3, 4); 109 (, 1, 3-4); 110 (, 1-2, 3-4); 111 (, 1, 2, 3-4); 112 (, 1, 2, 3-4); 113 (, 1, 2, 3-4); 114 (, 1, 2, 3-4); 115 (, 1, 2, 3-4); 116 (, 1, 2, 3-4); 117 (, 1-2, 3, 4); 118 (, 1 to 3); 119 (, 1, 2, 3-4); 120 (, 1-2, 3, 4); 121 (, 1 to 4); 122 (, 1-2, 3, 4); 123 (, 1, 2, 3-4); 124 (, 1-2, 3, 4); 125 (, 1, 2, 3-4); 126 (, 1-2, 3-4); 127 (, 1, 2, 3-4); 128 (, 1-2, 3-4); 129 (, 1, 3-4); 130 (, 1 to 4); 131 (, 1 to 4); 132 (, 1 to 4); 133 (, 1 to 4); 134 (, 1-2, 3, 4); 135 (, 1, 2, 3-4); 136 (, 1, 2, 3-4); 137 (, 1-2, 3-4); 138 (, 1-2, 3-4); 139 (, 1, 2, 3-4); 140 (, 1, 2, 3-4); 141 (, 1 to 4); 142 (, 1-2, 3-4); 143 (, 1-2, 3-4); 144 (, 1 to 4); 145 (, 1-2, 3-4); 146 (, 1-2, 3-4); 147 (, 1-2, 3-4); 148 (, 1-2, 3, 4); 149 (, 1 to 3); 150 (, 1-2, 3-4); 151 (, 1, 2, 3-4); 152 (, 1, 2, 3-4); 153 (, 1-2, 3, 4); 154 (, 1-2, 3-4); 155 (, 1 to 4); 156 (, 1-2, 3, 4); 157 (, 1, 2, 3-4); 158 (, 1, 2, 3-4); 159 (, 1 to 4); 160 (, 1 to 4); 161 (, 1 to 4); 162 (, 1 to 4); 163 (, 1 to 4); 164 (, 1, 3); 165 (, 1, 3); 166 (, 1-2, 3-4); 167 (, 1-2, 3); 168 (, 1, 3); 169 (, 1, 3); 170 (, 1-2, 3); 171 (, 1, 3-4); 172 (, 1-2, 3); 173 (, 1, 3-4); 174 (, 1, 3); 175 (, 1-2, 3-4); 176 (, 1 to 12); 177 (, 1 to 12); 178 (, 1 to 7); 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 91
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Portico
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Preserved
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2026-02-12
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Preserved : 1977/1978: 1(1-4), 1979/1980: 2(1-4), 1980/1981: 3(1-4), 1982: 4(1-4), 1983: 5(1-4), 1984: 6(1-4), 1985: 7(1-4), 1986: 8(1-3), 1986: 9(1-3), 1987: 10(1-3), 1987: 11(1-3), 1988: 12(1-3), 1988: 13(1-3), 1989: 14(1-3), 1989: 15(1-3), 1990: 16(1-3), 1990: 17(1-3), 1991: 18(1-4), 1991: 19(1-4), 1992: 20(1-4), 1992: 21(1-4), 1992: 22(1-4), 1993: 23(1-4), 1993: 24(1-4), 1993: 25(1-4), 1994: 26(1-4), 1994: 27(1-4), 1994: 28(1-4), 1995: 29(1-4), 1995: 30(1-4), 1995: 31(1-4), 1996: 32(1-4), 1996: 33(1-4), 1996: 34(1-4), 1997: 37(2), 1998: 39(4)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 129, 131 to 136
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 179
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 45(1), 2000: 46(1-2), 2001: 48(4), 2001: 50(1), 2002: 52(1-2), 2002: 53(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 61(1-3), 2004: 63(1-2), 2004: 67(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 75(4)
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Portico
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Preserved
|
2026-02-12
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Preserved : 2007: 82(1-4), 2007: 83(1-2, 4), 2008: 88(1), 2008: 89(3-4), 2008: 90(4), 2009: 92(1-4), 2009: 93(1-4), 2009: 94(3-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 104(1-2), 2011: 105(1-2), 2011: 109(1, S 1), 2012: 112(2), 2012: 115(1, 3-4), 2013: 116(1-4), 2013: 117(1-4), 2013: 118(1-4), 2013: 119(1-4), 2013: 120(1-4), 2013: 121(2-4), 2014: 122(1-4), 2014: 123(1-4), 2014: 124(1-4), 2014: 125(1-4), 2014: 126(1-4), 2014: 127(1-4), 2015: 129(1-4), 2015: 130(1-4), 2015: 131(1-4), 2015: 132(1-4), 2015: 133(1-4), 2016: 134(1-4), 2016: 135(1-4), 2016: 136(1-4), 2016: 137(1-4), 2016: 138(1-4), 2016: 139(1-4), 2017: 140(1-4), 2017: 141(1-4), 2017: 142(1-4), 2017: 143(1-4), 2017: 144(1-4), 2017: 145(1-4), 2018: 146(1-4), 2018: 147(1-4), 2018: 148(1-4), 2018: 149(1-4), 2018: 150(1-4), 2018: 151(1-4), 2019: 152(1-4), 2019: 153(1-4), 2019: 154(1-4), 2019: 155(1-4), 2019: 156(1-4), 2019: 157(1-4), 2018/2019/2020: 158(1-4), 2019/2020: 159(1-4), 2019/2020: 160(1-4), 2020: 161(1-4), 2020: 162(1-4), 2020: 163(1-4), 2021: 164(1-4), 2021: 165(1-4), 2021: 166(1-4), 2021: 167(1-4), 2021: 168(1-4), 2021: 169(1-4), 2022: 170(1-4), 2022: 171(1-4), 2022: 172(1-4), 2022: 173(1-4), 2022: 174(1-4), 2022: 175(1-4), 2023: 176(1-12), 2024: 177(1-12), 2025: 178(1-12), 2026: 179(1-2)
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LOCKSS Archive
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In Progress
|
2026-02-09
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130, 137 to 155, 157
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Library of Congress
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Preserved
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2025-04-07
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141 (4); 146 (3-4); 147 (1-2, 3-4); 148 (1-2, 3, 4); 149 (1 to 3-4); 150 (1-2, 3-4); 151 (1 to 3-4); 152 (1 to 3-4); 153 (1-2, 3, 4); 154 (1-2, 3-4); 155 (1 to 4); 156 (1-2, 3, 4); 157 (1 to 3-4); 158 (1 to 3-4); 159 (1 to 4); 160 (1 to 4); 161 (1 to 4); 162 (1 to 4); 163 (1 to 4); 164 (1-2, 3-4); 165 (1-2, 3-4); 166 (1-2, 3-4); 167 (1-2, 3-4); 168 (1-2, 3-4); 169 (1-2, 3-4); 170 (1-2, 3, 3-4); 171 (1-2, 3-4); 172 (1-2, 3-4); 173 (1-2, 3-4); 174 (1-2, 3-4); 175 (1-2, 3-4); 176 (1 to 12); 177 (1 to 11)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 1 (1 to 3); 4 (1 to 3); 5 (1, 3, 4); 6 (1, 3); 7 (1, 3); 8 (1, 3); 9 (1, 3, 4); 11 (1, 3); 12 (1, 3, 4); 13 (1 to 4); 14 (1 to 3); 15 (1, 3); 16 (1 to 4); 17 (1, 3); 18 (1, 3, 4); 19 (1, 3); 35 (1 to 4); 36 (1, 3); 37 (1 to 4); 38 (1 to 4); 39 (1, 2, 4); 41 (1 to 3); 42 (1 to 4); 43 (1 to 4); 44 (1, 3, 4); 45 (1 to 3); 46 (1, 3, 4); 47 (1, 3, 4); 48 (1, 2, 4); 49 (1, 3, 4); 51 (1 to 3); 52 (1, 3, 4); 53 (1, 4); 54 (1, 3, 4); 55 (1, 3, 4); 56 (1, 3); 57 (1, 3); 58 (1, 3); 59 (1, 3); 61 (1, 3); 62 (1); 63 (3); 64 (1, 3); 65 (1, 3); 66 (1, 3); 67 (1, 2); 68 (1, 3); 69 (1, 2); 71 (1, 3); 72 (1, 3); 73 (1, 3); 74 (1, 4); 75 (1, 3, 4); 76 (1, 3); 77 (1, 3); 78 (1, 2); 79 (1, 3); 81 (1 to 3); 82 (1, 3); 83 (1, 3, 4); 84 (1 to 3); 85 (1, 3); 86 (1, 3); 87 (1, 3); 88 (1 to 3); 89 (1, 3); 91 (1, 3); 92 (1, 3); 93 (1, 3); 94 (1, 3); 95 (1, 3); 96 (1, 3, 4); 97 (1, 3); 98 (1, 3); 99 (1, 3); 111 (1 to 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1, 3, 4); 118 (1 to 3); 119 (1 to 3); 121 (1 to 4); 122 (1, 3, 4); 123 (1 to 3); 124 (1, 3, 4); 125 (1 to 3); 126 (1, 3); 127 (1 to 3); 128 (1, 3); 129 (1, 3); 131 (1 to 4); 132 (1 to 4); 133 (1 to 4); 134 (1, 3, 4); 135 (1 to 3); 136 (1 to 3); 137 (1, 3); 138; 139 (1 to 3); 141 (1 to 4); 142 (1, 3); 143 (1, 3); 144 (1 to 4); 145 (1, 3); 146 (1-2, 3-4); 147 (1-2, 3-4); 148 (1-2, 3, 4); 149 (1, 2, 3-4); 151 (1, 2, 3-4); 152 (1, 2, 3-4); 153 (1-2, 3, 4); 154 (1-2, 3-4); 155 (1 to 4); 156 (1-2, 3, 4); 157 (1, 2, 3-4); 158 (1, 2, 3-4); 159 (1 to 4); 161 (1 to 4); 162 (1 to 4); 163 (1 to 4); 164 (1-2, 3-4); 165 (1-2, 3-4); 166 (1-2, 3-4); 167 (1-2, 3-4); 168 (1-2, 3-4); 169 (1-2, 3-4); 171 (1-2, 3-4); 172 (1-2, 3-4); 173 (1-2, 3-4); 174 (1-2, 3-4); 175 (1-2, 3-4); 176 (1 to 9, 11, 12); 177 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 3); 4 (1 to 3); 5 (1, 3, 4); 6 (1, 3); 7 (1, 3); 8 (1, 3); 9 (1, 3, 4); 11 (1, 3); 12 (1, 3, 4); 13 (1 to 4); 14 (1 to 3); 15 (1, 3); 16 (1 to 4); 17 (1, 3); 18 (1, 3, 4); 19 (1, 3); 35 (1 to 4); 36 (1, 3); 37 (1 to 4); 38 (1 to 4); 39 (1, 2, 4); 41 (1 to 3); 42 (1 to 4); 43 (1 to 4); 44 (1, 3, 4); 45 (1 to 3); 46 (1, 3, 4); 47 (1, 3, 4); 48 (1, 2, 4); 49 (1, 3, 4); 51 (1 to 3); 52 (1, 3, 4); 53 (1, 4); 54 (1, 3, 4); 55 (1, 3, 4); 56 (1, 3); 57 (1, 3); 58 (1, 3); 59 (1, 3); 61 (1, 3); 62 (1); 63 (3); 64 (1, 3); 65 (1, 3); 66 (1, 3); 67 (1, 2); 68 (1, 3); 69 (1, 2); 71 (1, 3); 72 (1, 3); 73 (1, 3); 74 (1, 4); 75 (1, 3, 4); 76 (1, 3); 77 (1, 3); 78 (1, 2); 79 (1, 3); 81 (1 to 3); 82 (1, 3); 83 (1, 3, 4); 84 (1 to 3); 85 (1, 3); 86 (1, 3); 87 (1, 3); 88 (1 to 3); 89 (1, 3); 91 (1, 3); 92 (1, 3); 93 (1, 3); 94 (1, 3); 95 (1, 3); 96 (1, 3, 4); 97 (1, 3); 98 (1, 3); 99 (1, 3); 111 (1 to 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1, 3, 4); 118 (1 to 3); 119 (1 to 3); 121 (1 to 4); 122 (1, 3, 4); 123 (1 to 3); 124 (1, 3, 4); 125 (1 to 3); 126 (1, 3); 127 (1 to 3); 128 (1, 3); 129 (1, 3); 131 (1 to 4); 132 (1 to 4); 133 (1 to 4); 134 (1, 3, 4); 135 (1 to 3); 136 (1 to 3); 137 (1, 3); 138; 139 (1 to 3); 141 (1 to 4); 142 (1, 3); 143 (1, 3); 144 (1 to 4); 145 (1, 3); 146 (1-2, 3-4); 147 (1-2, 3-4); 148 (1-2, 3, 4); 149 (1, 2, 3-4); 151 (1, 2, 3-4); 152 (1, 2, 3-4); 153 (1-2, 3, 4); 154 (1-2, 3-4); 155 (1 to 4); 156 (1-2, 3, 4); 157 (1, 2, 3-4); 158 (1, 2, 3-4); 159 (1 to 4); 161 (1 to 4); 162 (1 to 4); 163 (1 to 4); 164 (1-2, 3-4); 165 (1-2, 3-4); 166 (1-2, 3-4); 167 (1-2, 3-4); 168 (1-2, 3-4); 169 (1-2, 3-4); 171 (1-2, 3-4); 172 (1-2, 3-4); 173 (1-2, 3-4); 174 (1-2, 3-4); 175 (1-2, 3-4); 176 (1 to 9, 11, 12); 177 (1 to 9, 11, 12)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 35 (1, 2, 4); 36 (1, 3); 37 (1-3); 38 (1-4); 39 (1, 2, 4); 40 (1-3); 41 (1-3); 42 (1-4); 43 (1-4); 44 (1, 3, 4); 45 (1, 3); 46 (1, 3, 4); 47 (1, 3, 4); 48 (1, 2, 4); 49 (1, 3, 4); 50 (1, 3, 4); 51 (1-3); 52 (1, 3, 4); 53 (1, 4); 54 (1, 3, 4); 55 (1, 3, 4); 56 (1, 3); 57 (1); 58 (3); 59 (1, 3); 60; 61 (1, 3); 62 (1); 63; 64 (3); 65 (1, 3); 66 (1, 3); 67 (1, 2-3); 68 (1-2, 3); 69 (1, 2-3); 70 (1-2, 3); 71 (1, 3); 72 (1-2, 3); 73 (1-2, 3); 74 (1-3, 4); 75 (1-2, 3, 4); 76 (1-2, 3-4); 77 (1-2); 78 (2-4); 79 (1-2, 3-4); 80 (1-2, 3-4); 81 (1, 2, 3-4); 82 (1-2, 3-4); 83 (4); 84 (1, 2, 3-4); 85 (1-2, 3-4); 86 (1-2, 3-4); 87 (1, 3-4); 88 (1, 2, 3-4); 89 (1-2, 3-4); 90 (1-2, 3, 4); 91 (1-2, 3-4); 92 (1-2, 3-4); 93 (1-2, 3-4); 94 (1-2, 3-4); 95 (1-2, 3-4); 96 (1-2, 3, 4); 97 (1-2, 3-4); 98 (1-2, 3-4); 99 (1-2, 3-4); 100 (1, 2, 3-4); 101 (1-2, 3-4); 102 (1-2, 3-4); 103 (1-2, 3-4); 104 (1, 2, 3-4); 105 (1-2, 3-4); 106 (1-4); 107 (1-2, 3-4); 108 (1-2, 3, 4); 109 (supplement-1, 1-2, 3-4); 110 (1-2, 3-4); 111 (1, 3-4); 112 (1, 2, 3-4); 113 (1, 2, 3-4); 114 (1, 2, 3-4); 115 (1, 2, 3-4); 116 (1, 2, 3-4); 117 (1-2, 3, 4); 118 (1, 2, 3-4); 119 (1, 2, 3-4); 120 (1-2, 3, 4); 121 (1-4); 122 (1-2, 3, 4); 123 (1, 2, 3-4); 124 (1-2, 3, 4); 125 (1, 2, 3-4); 126 (1-2, 3-4); 127 (1, 2, 3-4); 128 (1-2, 3-4); 129 (1-2, 3-4); 130 (2-4); 131 (1-4); 132 (1-4); 133 (1-4); 134 (1-2, 3, 4); 135 (1, 2, 3-4); 136 (1, 2, 3-4); 137 (1-2, 3-4); 138 (1-2, 3-4); 139 (1, 2, 3-4); 140 (1, 2, 3-4); 141 (1-4); 142 (1-2, 3-4); 143 (1-2, 3-4); 144 (1-4); 145 (1-2, 3-4); 146 (1-2, 3-4); 147 (1-2, 3-4); 148 (1-2, 3, 4); 149 (1, 2, 3-4); 150 (1-2, 3-4); 151 (1, 2, 3-4); 152 (1, 3-4); 153 (1-2, 3, 4); 154 (1-2, 3-4); 155 (2-4); 156 (1-2, 3, 4)
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