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Portico
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Preserved
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2026-02-12
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Preserved : 1970: 1(1-2), 1971: 2(1-2)
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|
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Portico
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Preserved
|
2026-02-12
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Preserved : 1972: 3(2), 1973: 4(1-2), 1975/1976/1977: 5(1-4)
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1980: 6(1-2), 1981: 7(1-4), 1982: 8(1-4), 1983: 9(1-4), 1984: 10(1-4), 1985: 11(1-4), 1986: 12(1-4), 1987: 13(1-4), 1988: 14(1-4), 1989: 15(1-4), 1990: 16(1-4), 1991: 17(1-4), 1992: 18(1-2, 4), 1993: 19(1-4), 1994: 20(1-4)
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Portico
|
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Preserved
|
2026-02-12
|
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Preserved : 1997: 23(6)
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
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11, 17 to 52
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
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Preserved : 1995: 21(1-6)
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Technische Informationsbibliothek
|
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Preserved
|
2026-01-13
|
|
|
vol.23:1-6;vol.24:1-6;vol.25:1-6;vol.26:1-6;vol.27:1-6;vol.28:1-6;vol.29:1-6;vol.30:1-6;vol.31:1-6;vol.32:1-6;vol.33:1-6,sup.s1;vol.34:1-6,4pt2;vol.35:1-6;vol.36:1-6;vol.37:1-12;vol.38:1-12;vol.39:1-12;vol.40:1-12;vol.41:1-12,sup.S1;vol.42:1-12,sup.S1;vol.43:1-12,sup.S1;vol.44:1-12;vol.45:1-12;vol.46:1-12,sup.S1;vol.47:1
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|
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Portico
|
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Preserved
|
2026-02-12
|
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Preserved : 1992: 18(3)
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Portico
|
|
Preserved
|
2026-02-12
|
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|
Preserved : 1996: 22(1-6), 1997: 23(1-6), 1998: 24(1-6), 1999: 25(1-6), 2000: 26(1-6), 2001: 27(1-6), 2002: 28(1-6), 2003: 29(1-6), 2004: 30(1-6), 2005: 31(1-6), 2006: 32(1-6), 2007: 33(1-6), 2008: 34(1-6), 2009: 35(1-6), 2010: 36(1-6), 2011: 37(1-12), 2012: 38(1-12), 2013: 39(1-12), 2014: 40(1-12), 2015: 41(1, S1, 2-12), 2016: 42(1, S1, 2-12), 2017: 43(1, S1, 2-12), 2018: 44(1-12), 2019: 45(1-12), 2020: 46(1, S1, 2-12), 2021: 47(1-12), 2022: 48(1-12), 2023: 49(1, S1, 2-12), 2024: 50(1, S1, 2-12), 2025: 51(1-12), 2026: 52(1-2)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
|
|
Preserved : 3 (1 to 6); 4 (1 to 9, 11, 12); 5 (S1, 1 to 9, 11, 12); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (, 1 to 6); 34 (1 to 3 to 5, 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (, 1 to 9, 11, 12); 42 (, 1 to 9, 11, 12); 43 (, 1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (S1, 1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (S1, 1 to 9, 11, 12); 51 (1 to 8)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 3 (1 to 6); 4 (1 to 9, 11, 12); 5 (S1, 1 to 9, 11, 12); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (, 1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (, 1 to 9, 11, 12); 42 (, 1 to 9, 11, 12); 43 (, 1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (S1, 1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (S1, 1 to 9, 11, 12); 51 (1 to 8)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 10; 32 (1-6); 33 (s1, 1-6)
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