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Portico
|
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Preserved
|
2026-04-02
|
|
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Preserved : 1976: 5(1-14)
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
|
Preserved : 1977: 6(1-14), 1978: 7(1-14), 1979: 8(1-14), 1980: 9(1-14)
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
|
Preserved : 1981: 10(1-22), 1982: 11(1-22), 1983: 12(1-22), 1984: 13(1-22)
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
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Preserved : 1985: 14(1-12), 1986: 15(1-12), 1987: 16(1-12), 1988: 17(1-12), 1989: 18(1-8), 1990: 19(1-8), 1991: 20(1-4, 7-9), 1992: 21(1-8, 12), 1992/1993: 22(1-8), 1994: 23(1-8), 1995: 24(1-8), 1996: 25(1-8)
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
|
Preserved : 1997: 26(1-12), 1998: 27(1-12), 1999: 28(1-12), 2000: 29(1-12), 2001: 30(1-7, 10-12), 2002: 31(1-12), 2003: 32(1-12), 2004/2005: 33(1-12), 2005: 34(1-8, 11-12), 2006: 35(1-12), 2007: 36(1-16), 2008: 37(1-20), 2008/2009: 38(1-20), 2009/2010: 39(1-20), 2011: 40(1-24), 2012: 41(1-24), 2013: 42(1-24), 2014: 43(1-24), 2015: 44(1-24), 2016: 45(1-24), 2017: 46(1-24), 2018: 47(1-24), 2019: 48(1-24), 2020: 49(1-24), 2020/2021: 50(1-24), 2020/2021/2022: 51(1-24), 2023: 52(1-24), 2024: 53(1-24), 2024/2025: 54(1-24), 2026: 55(1-10)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
5 to 53
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
ahead-of-print, 5 to 54
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
54, 55
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 3 (2 to 7, 8-9, 11, 12); 4 (1 to 9, 11 to 18, 19-2, 21 to 24); 5 (1 to 9, 11 to 19, 21 to 24); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1, 2, 3-4, 5 to 9, 11, 12); 29 (1 to 4, 5-6, 7, 8, 9-1, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 8, 9-1, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11 to 16); 37 (1 to 9, 11 to 19); 38 (1 to 9, 11 to 15, 16-17, 18, 19); 39 (1 to 7, 8-9, 11 to 19); 41 (1 to 9, 11, 12, 13-14, 15, 16-17, 18, 19, 21 to 24); 42 (1 to 9, 11 to 19, 21 to 24); 43 (1 to 9, 13 to 19, 21 to 24); 44 (1 to 9, 11 to 19, 21 to 24); 45 (1 to 9, 11 to 19, 21 to 24); 46 (1 to 9, 11 to 19, 21 to 24); 47 (1 to 9, 11 to 19, 21 to 24); 48 (1 to 9, 11 to 19, 21 to 24); 49 (1 to 9, 11 to 19, 21 to 24); 51 (1 to 9, 11 to 19, 21 to 24); 52 (1 to 9, 11 to 19, 21 to 24); 53 (1 to 9, 11 to 19, 21 to 24); 54 (1 to 8, 11, 12)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
39 (3 to 8-9, 10 to 20); 40 (1 to 19-20, 21 to 24); 41 (1 to 13-14, 15, 16-17, 18 to 24); 42 (1 to 24); 43 (1 to 10-12, 13 to 24); 44 (1 to 24); 45 (1 to 24); 46 (1 to 24); 47 (1 to 24); 48 (1 to 4, 8 to 24); 49 (1 to 24); 50 (1 to 24); 51 (1 to 24); 52 (1 to 24); 53 (1 to 24)
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