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Portico
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Preserved
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2026-04-23
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Preserved : 2006: 32(1-4), 2007: 33(1, Special Issue 1, 2, Special Issue 2, 3, Special Issue 3, 4), 2008: 34(1-4), 2009: 35(1, Special Issue 1, 2-4), 2010: 36(1-2, Special Issue 2, 3, Special Issue 3, 4)
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|
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Portico
|
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Preserved
|
2026-04-23
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|
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Preserved : 1975: 1(1), 1976: 2(1, S 1, 2)
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CLOCKSS Archive
|
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Preserved
|
2026-04-13
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1 to 52
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Scholars Portal
|
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Preserved
|
2026-03-19
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Preserved : 1 (1); 2 (Supplement, 1, 2); 3 (1-2, 3-4); 4 (1, 2, 3-4); 5 (1, 2, 3-4); 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 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); 20 (1 to 4); 21 (Supplement, 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 (Supplement, 1 to 4); 30 (Supplement, 1 to 4); 31 (Supplement, 1 to 4); 32 (1 to 4); 33 (sp1, 1 to 4); 34 (1 to 4); 35 (sp1, 1 to 4); 36 (Supplement, 1 to 4); 37 (Supplement, 1 to 4); 38 (Supplement, 1 to 4); 39 (Supplement, 1 to 4); 40 (Supplement, 1 to 4); 41 (Supplement, 1 to 4); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1, 2, 4 to 6); 47 (Supplement, 1 to 6); 48 (1 to 6); 49 (Supplement, 1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1)
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|
|
Portico
|
|
Preserved
|
2026-04-23
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|
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Preserved : 1977: 3(1-4), 1978: 4(1-4), 1979: 5(1-4), 1980: 6(1-4), 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(1-4), 1993: 19(1-4), 1994: 20(1-4), 1995: 21(1, S 1, 2-4), 1996: 22(1-4), 1997: 23(1-4), 1998: 24(1-4), 1999: 25(1-4), 2000: 26(1-4), 2001: 27(1-4), 2002: 28(1-4), 2003: 29(1, S 1, 2, S 2, 3-4), 2004: 30(1, S 1, 2-4), 2005: 31(1, S 1, 2, S 2, 3-4)
|
|
|
Portico
|
|
Preserved
|
2026-04-23
|
|
|
Preserved : 2007: 33(1-4, ), 2008: 34(1-4), 2009: 35(1, S 1, 2-4), 2010: 36(1-4, ), 2011: 37(1-4, ), 2012: 38(1-4, ), 2013: 39(1, S 1, 2-4), 2014: 40(1, S 1, 2, S 2, 3, S 3, 4), 2015: 41(1, S 1, 2, S 2, 3, S 3, 4), 2016: 42(1-6), 2017: 43(1-6), 2018: 44(1-6), 2019: 45(1-6), 2020: 46(1-6), 2021: 47(1, S 1, 2-6), 2022: 48(1, 3-6), 2023: 49(1, S 1, 2-6), 2024: 50(1-2, 4-6), 2025: 51(1-6), 2026: 52(1-2)
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|
|
LOCKSS Archive
|
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Preserved
|
2026-04-13
|
|
|
32 to 36
|
|
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Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
3 to 39
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1); 2 (S1, 1, 2); 3 (1-2, 3-4); 4 (1, 2, 3-4); 5 (1, 2, 3-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (S1, 1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (S1, 1-4); 30 (S1, 1-4); 31 (S1, 1-4); 32 (1-4); 33 (S1, 1-4); 34 (1-4); 35 (S1, 1-4); 36 (S1, 1-3); 37 (S1, 1-4); 38 (S1, 1-4); 39 (S1, 1-4); 40 (S1, 1-4); 41 (S1, 1-4); 42 (1-6); 43 (1-6); 44 (2, 3, 5, 6); 45 (1-4)
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