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Internet Archive
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Preserved
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2025-08-08
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13 to 38
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1 to 5); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1_suppl, 2 to 6); 11 (1 to 4 to 6); 12 (1 to 5, 6_suppl); 13 (1_suppl, 2 to 6); 14 (1 to 3 to 5, 6); 15 (1_suppl, 2 to 6); 16 (1 to 5, 6_suppl); 17 (1 to 3 to 5, 6); 18 (1_suppl, 2 to 6); 19 (1_suppl, 2 to 6); 20 (1_suppl, 2 to 6); 21 (1 to 6); 22 (1 to 3 to 6); 23 (1 to 4 to 6); 24 (1 to 6); 25 (1 to 3 to 6); 26 (1_suppl, 2 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 3 to 5, 6); 30 (1_suppl, 2 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 6); 38 (1 to 8); 39 (1_suppl, 2 to 8); 40 (1 to 8); 41 (1_suppl, 2 to 8); 42 (S1, 1 to 8); 43 (S1, 1 to 8); 44 (S1, 1 to 8); 45 (S1, 1 to 8); 46 (S1, 1 to 8); 47 (S1, 1 to 8); 48 (S1, 1 to 8); 49 (S1, 1 to 6)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 50
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Portico
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Preserved
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2026-04-02
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Preserved : 1977: 1(1-4), 1978: 2(1-5), 1979: 3(1-6), 1980: 4(1-6), 1981: 5(1-6), 1982: 6(1-6), 1983: 7(1-6), 1984: 8(1-6), 1985: 9(1-6), 1986: 10(1-6), 1987: 11(1-6), 1988: 12(1-6), 1989: 13(1-6), 1990: 14(1-6), 1991: 15(1-6), 1992: 16(1-6), 1993: 17(1-6), 1994: 18(1-6), 1995: 19(1-6), 1996: 20(1-6), 1997: 21(1-6), 1998: 22(1-6), 1999: 23(1-6), 2000: 24(1-6), 2001: 25(1-6), 2002: 26(1-6), 2003: 27(1-6), 2004: 28(1-6), 2005: 29(1-6), 2006: 30(1-6), 2007: 31(1-6), 2008: 32(1-6), 2009: 33(1-6), 2010: 34(1-6), 2011: 35(1-6), 2012: 36(1-6), 2013: 37(1-6), 2014: 38(1-8), 2015: 39(1-8), 2016: 40(1-8), 2017: 41(1-8), 2018: 42(1, S1, 2-8), 2019: 43(1, S1, 2-8), 2020: 44(1, S1, 2, S2, 3-8), 2021: 45(1, S 1, 2, S 2, 3-8), 2022: 46(1, S 1, 2-8), 2023: 47(1, S1, 2, S2, 3-8), 2024: 48(1, S1, 2-8), 2025: 49(1, S1, 2-8), 2026: 50(1, S1, 2)
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LOCKSS Archive
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Preserved
|
2026-04-06
|
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1 to 41
|
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1977: 1(1-4), 1978: 2(1-5), 1979: 3(1-6), 1980: 4(1-6), 1981: 5(1-6), 1982: 6(1-6), 1983: 7(1-6), 1984: 8(1-6), 1985: 9(1-6), 1986: 10(1, 1, S, 2-6), 1987: 11(1, 1, S, 2-5, 5, S, 6), 1988: 12(1, 1, S, 2-6, 6, S), 1989: 13(1, 1, S, 2-6), 1990: 14(1, 1, S, 2-4, 4, S, 5, 5, S, 6), 1991: 15(1, 1, S, 2-3, 3, S, 4-6), 1992: 16(1, 1, S, 2-6, 6, S), 1993: 17(1, 1, S, 2-4, 4, S, 5-6), 1994: 18(1, 1, S, 2-6), 1995: 19(1, 1, S, 2-6), 1996: 20(1, 1, S, 2-6), 1997: 21(1-6), 1998: 22(1-2, 2, S, 3-6), 1999: 23(1-5, 5, S, 6, 6, S), 2000: 24(1-6), 2001: 25(1-2, 2, S, 3-6), 2002: 26(1, 1, S, 2-5, 5, S, 6, 6, S), 2003: 27(1, 1, S, 2-6), 2004: 28(1, 1, S, 2-6, 6, S), 2005: 29(1, S, 2-4, 4, S, 5-6), 2006: 30(1, 1, S, 2-6), 2007: 31(1-6), 2008: 32(1-6), 2009: 33(1-6), 2010: 34(1-6, 6, S), 2011: 35(1-5, 5, S, s5-6), 2012: 36(1, 1, S, s1-2, 2, S, s2-6), 2013: 37(1-5, 5, S, 6), 2014: 38(1-8), 2015: 39(1, 1, S, 2-4, 6-8), 2016: 40(1-8), 2017: 41(1, 1, S, 2-8)
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Technische Informationsbibliothek
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Preserved
|
2026-01-13
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vol.21:1-6;vol.22:1-6,sup.2S;vol.23:1-6,sup.5S,sup.6S;vol.24:1-6;vol.25:1-6,sup.2S;vol.26:1-6,sup.1S,sup.5S,sup.6S;vol.27:1-6,sup.1S;vol.28:1-6,sup.1S,sup.6S;vol.29:1-6,sup.1S,sup.4S;vol.30:1-6,sup.1S;vol.31:1-6;vol.32:1-6;vol.33:1-6;vol.34:1-6,sup.6S;vol.35:1-6,sup.5S;vol.36:1-6,sup.1S,sup.2S;vol.37:1-6,sup.5S;vol.38:1-8,sup.1S,sup.2S;vol.39:1-8,sup.1S;vol.40:1-8;vol.41:1-8,sup.1S;vol.42:1-8,sup.S1;vol.43:1-8,sup.S1;vol.44:1-8,sup.S1,sup.S2
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CLOCKSS Archive
|
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Preserved
|
2026-04-06
|
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|
32 to 39
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
40, 41
|
|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 38 (1 to 8), 39 (1 to 8), 40 (1 to 8), 41 (1 to 8)
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|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-4); 2 (1-5); 3 (1-6); 4 (1-6); 5 (1-6); 6 (1-6); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1, 2, 4-6); 28 (1-6); 29 (1_suppl, 2-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-5); 36 (1-6); 37 (1-6); 38 (1-8); 39 (1-5, 7, 8); 40 (1-8); 41 (1-8)
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