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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 47 (1 to 4); 48 (, 1 to 4); 49 (, 1, 2/4); 50 (, 1 to 4); 51 (, 1/2, 3, 4); 52 (, 1, 2, 3/4); 53 (, 1, 2, 3/4); 54 (, 1, 2, 3/4); 55 (, 1, 2, 3/4); 56 (, 3/4); 57 (, 1/2, 3/4); 58 (, 1/2, 3, 4); 59 (, 1/2, 3/4); 60 (, 1/2, 3/4); 61 (, 1/2, 3/4); 62 (, 1/2, 3/4); 63 (, 1/2, 3/4); 64 (, 1/2, 3/4); 65 (, 1/2, 3/4); 66 (, 1/2, 3, 4); 67 (, 1/2, 3/4); 68 (, 1/2, 3, 4); 69 (, 1, 2, 3/4); 70 (, 1/2, 3, 4); 71 (, 1/2, 3/4); 72 (, 1, 2, 3/4); 73 (, 1, 2, 3/4); 74 (, 1, 2/3, 4); 75 (, 1/2, 3, 4); 76 (, 1/2, 3, 4); 77 (, 1/2, 3, 4); 78 (, 1, 2/3, 4); 79A (, 1-2, 3, 4); 80A (, 1, 2, 3/4); 81 (, 1 to 4); 82 (, 1, 2/3, 4); 83 (, 1/2, 3, 4); 84 (, 1, 2, 3/4); 85 (, 1, 2, 3/4); 86 (, 1 to 4); 87 (, 1 to 4); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 91 (, 1 to 4); 92 (, 1 to 4); 93 (, 1 to 4); 94 (, 1 to 4); 95 (, 1 to 4); 96 (, 1 to 4); 97 (, 1 to 4); 98 (, 1 to 4); 99 (, 2, 3); 100 (, 1 to 4); 101 (, 1 to 4); 102 (, 1 to 4); 103 (, 1 to 4); 104 (, 1 to 4); 105 (, 1, 2-3, 4); 106 (, 1-2); 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 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
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.79:3-4,1-2;vol.80:1-2,3-4;vol.81:1-4;vol.82:1-1,4,2-3;vol.83:3-4,1-2;vol.84:1-2,3-4;vol.85:1-2,3-4;vol.86:1-4;vol.87:1-4;vol.88:1-4;vol.89:1-4;vol.90:1-4;vol.91:1-4;vol.92:1-4;vol.93:1-4;vol.94:1-4;vol.95:1-4;vol.96:1-4;vol.97:1-4;vol.98:1-4
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CLOCKSS Archive
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Preserved
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2026-02-09
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79 to 98
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 79(1-4), 1998: 80(1-2), 1999: 81(1-4), 2000: 82(1, 4), 2001: 83(3-4), 2002: 84(1-2), 2003: 85(1-2), 2004: 86(1-4), 2005: 87(1-4), 2006: 88(1-4), 2007: 89(1-4), 2008: 90(1-4), 2009: 91(1-4), 2010: 92(1-4), 2011: 93(1-4), 2012: 94(1-4), 2013: 95(1-4), 2014: 96(1-4), 2015: 97(1-4), 2016: 98(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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47 to 106
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 47 to 106
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Portico
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Preserved
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2026-02-12
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Preserved : 1965: 47(1-4), 1966: 48(1-4), 1967: 49(1-4), 1968: 50(1-4), 1969: 51(1-4), 1970: 52(1-4), 1971: 53(1-4), 1972: 54(1-4), 1973: 55(1-4), 1974: 56(3-4), 1975: 57(1-4), 1976: 58(1-4), 1977: 59(1-4), 1978: 60(1-4), 1979: 61(1-4), 1980: 62(1-4), 1981: 63(1-4), 1982: 64(1-4), 1983: 65(1-4), 1984: 66(1-4), 1985: 67(1-4), 1986: 68(1-4), 1987: 69(1-4), 1988: 70(1-4), 1989: 71(1-4), 1990: 72(1-4), 1991: 73(1-4), 1992: 74(1-4), 1993: 75(1-4), 1994: 76(1-4), 1995: 77(1-4), 1996: 78(1-4), 1997: 79(1-4), 1998: 80(1-4), 1999: 81(1-4), 2000: 82(1-4), 2001: 83(1-4), 2002: 84(1-4), 2003: 85(1-4), 2004: 86(1-4), 2005: 87(1-4), 2006: 88(1-4), 2007: 89(1-4), 2008: 90(1-4), 2009: 91(1-4), 2010: 92(1-4), 2011: 93(1-4), 2012: 94(1-4), 2013: 95(1-4), 2014: 96(1-4), 2015: 97(1-4), 2016: 98(1-4), 2017: 99(1-4), 2018: 100(1-4), 2019: 101(1-4), 2020: 102(1-4), 2021: 103(1-4), 2022: 104(1-4), 2023: 105(1-4), 2024: 106(1-4)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 8 (1, 2, 3?4); 9 (1 to 4); 79 (1?2, 3, 4); 81 (1 to 4); 82 (1, 2?3, 4); 83 (1?2, 3, 4); 84 (1, 2, 3?4); 85 (1, 2, 3?4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4)
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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 : 8 (1, 2, 3?4); 9 (1 to 4); 79 (1?2, 3, 4); 81 (1 to 4); 82 (1, 2?3, 4); 83 (1?2, 3, 4); 84 (1, 2, 3?4); 85 (1, 2, 3?4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4); 99 (1 to 4); 100 (1 to 4); 101 (1 to 4); 102 (1 to 4); 103 (1 to 4); 104 (1 to 4); 105 (1, 2-3, 4)
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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 (2 to 4); 8 (1, 2, 3-4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1, 2-3, 4); 79 (1-2, 3, 4); 81 (1 to 4); 82 (1, 2-3, 4); 83 (1-2, 3, 4); 84 (1, 2, 3-4); 85 (1, 2, 3-4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4); 99 (1 to 4)
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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 : 88 (1-4); 89 (1-4)
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