|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
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 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 8); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1, 2, 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 3, 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1, 2); 70 (, 2 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 3); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 83 (, 1 to 4); 84 (, 1 to 4); 85 (, 1 to 4); 86 (, 1 to 4); 87 (, 2 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 (, 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 to 4); 106 (, 1 to 4); 107 (, 1 to 4); 108 (, 1 to 4); 109 (, 1 to 4); 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
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 47
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1977: 1(1-4), 1978: 2(1-4), 1979: 3(1-4), 1980: 4(1-4), 1981: 5(1-4), 1982: 6(1-4), 1983: 7(1-4), 1984: 8(1-4), 1985: 9(1-4), 1986: 10(1-4), 1987: 11(1-4), 1988: 12(1-4), 1989: 13(1-6), 1990: 14(1-6), 1991: 15(1-6), 1992: 16(1-6), 1993: 17(1-6), 1994: 18(1-8), 1995: 19(1-4), 1995: 20(1-4), 1996: 21(1-4), 1996: 22(1-4), 1996: 23(1-4), 1997: 24(1-4), 1997: 25(1-4), 1997: 26(1-4), 1998: 27(1-4), 1998: 28(1-4), 1998: 29(1-4), 1999: 30(1-4), 1999: 31(1-4), 1999: 32(1-4), 2000: 33(1-4), 2000: 34(1-4), 2000: 35(1-4), 2001: 36(1-4), 2001: 37(1-4), 2001: 38(1-4), 2002: 39(1-4), 2002: 40(1-4), 2002: 41(1-4), 2003: 42(1-4), 2003: 43(1-4), 2003: 44(1-4), 2004: 45(1-4), 2004: 46(1-4), 2004: 47(1-4), 2005: 48(1-4), 2005: 49(1-4), 2005: 50(1-4), 2006: 51(1-4), 2006: 52(1-4), 2006: 53(1-4), 2007: 54(1-4), 2007: 55(1-4), 2007: 56(1-4), 2008: 57(1-4), 2008: 58(1-4), 2008: 59(1-4), 2009: 60(1-4), 2009: 61(1-4), 2009: 62(1-4), 2010: 63(1-4), 2010: 64(1-4), 2010: 65(1-4), 2011: 66(1-4), 2011: 67(1-4), 2011: 68(1-4), 2012: 69(1-4), 2012: 70(1-4), 2012: 71(1-4), 2013: 72(1-4), 2013: 73(1-4), 2013: 74(1-4), 2014: 75(1-4), 2014: 76(1-4), 2014: 77(1-4), 2015: 78(1-4), 2015: 79(1-4), 2015: 80(1-4), 2016: 81(1-4), 2016: 82(1-4), 2016: 83(1-4), 2017: 84(1-4), 2017: 85(1-4), 2017: 86(1-4), 2018: 87(1-4), 2018: 88(1-4), 2018: 89(1-4), 2019: 90(1-4), 2019: 91(1-4), 2019: 92(1-4), 2020: 93(1-4), 2020: 94(1-4), 2020: 95(1-4), 2021: 96(1-4), 2021: 97(1-4), 2021: 98(1-4), 2022: 99(1-4), 2022: 100(1-4), 2022: 101(1-4), 2023: 102(1-4), 2023: 103(1-4), 2023: 104(1-4), 2024: 105(1-4), 2024: 106(1-4), 2024: 107(1-4), 2025: 108(1-4), 2025: 109(1-4), 2025: 110(1-4), 2026: 111(1-2)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
3, 5, 9, 15 to 111
|
|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
|
|
|
vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:1-4;vol.29:1-4;vol.30:1-4;vol.31:1-4;vol.32:1-4;vol.33:1-4;vol.34:1-4;vol.35:1-4;vol.36:1-4;vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-4;vol.49:1-4;vol.50:1-4;vol.51:1-4;vol.52:1-4;vol.53:1-4;vol.54:1-4;vol.55:1-4;vol.56:1-4;vol.57:1-4;vol.58:1-4;vol.59:1-4;vol.60:1-4;vol.61:1-4;vol.62:1-4;vol.63:1-4;vol.64:1-4;vol.65:1-4;vol.66:1-4;vol.67:1-4;vol.68:1-4;vol.69:1-4;vol.70:1-4;vol.71:1-4;vol.72:1-4;vol.73:1-4;vol.74:1-4;vol.75:1-4;vol.76:1-4;vol.77:1-4;vol.78:1-4;vol.79:1-4;vol.80:1-4;vol.81:1-4;vol.82:1-4;vol.83:1-4;vol.84:1-4;vol.85:1-4;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.96:1-2
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 1 (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 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 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)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 1 (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 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 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)
|
