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Portico
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Preserved
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2026-05-07
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Preserved : 1974: 14(1-5), 1975: 15(1-5), 1976: 16(1-5), 1977: 17(1-5), 1978: 18(1-5), 1979: 19(1-5), 1980/1981: 20(1, S 1, 2-5), 1981/1982: 21(1, S 1, 2-5), 1982/1983: 22(1, S 1, 2-5), 1983/1984: 23(1, S 1, 2-4), 1984/1985: 24(1-2, S 2, 3-4), 1985/1986: 25(1-3, S 3, 4), 1986: 26(1-4), 1987/1988: 27(1-3, S 3, 4), 1988/1989: 28(1, S 1, 2-4), 1989/1990: 29(1, S 1, 2-4), 1990/1991: 30(1-4, S 4), 1991: 31(1-3, S 3, 4), 1992: 32(1-4), 1993: 33(1-4), 1994: 34(1-6), 1995: 35(1-6, ), 1996: 36(1-8), 1997: 37(1-8), 1998: 38(1-10), 1999: 39(1-8), 2000: 40(1-8), 2001: 41(1-8, ), 2002: 42(1-8), 2003: 43(1-8), 2004: 44(1-8), 2005: 45(1-8), 2006: 46(1-8), 2007: 47(1-8), 2008: 48(1-8)
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CLOCKSS Archive
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Preserved
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2026-05-04
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14 to 48
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 14 (1 to 5); 15 (1 to 5); 16 (1 to 5); 17 (1 to 5); 18 (1 to 3, 4-5); 19 (1 to 3, 4-5); 20 (Supplement, 1 to 3, 4-5); 21 (Supplement, 1 to 3, 4-5); 22 (Supplement, 1 to 3, 4-5); 23 (Supplement, 1 to 4); 24 (Supplement, 1 to 4); 25 (Supplement, 1 to 4); 26 (1 to 4); 27 (Supplement, 1 to 4); 28 (Supplement, 1 to 4); 29 (Supplement, 1 to 4); 30 (Supplement, 1 to 4); 31 (Supplement, 1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 6); 35 (Supplement, 1 to 6); 36 (1 to 8); 37 (1 to 8); 38 (1 to 10); 39 (Supplement, 1 to 8); 40 (1 to 8); 41 (Supplement, 1 to 8); 42 (1 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 8); 46 (Supplement, 1 to 8); 47 (Supplement, 1 to 6, 8); 48 (Supplement, 1 to 8)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 14 (1-5); 15 (1-5); 16 (1-5); 17 (1-5); 18 (1-3, 4-5); 19 (1-3, 4-5); 20 (1-3, 4-5); 21 (S1, 1-3, 4-5); 22 (S1, 1-3, 4-5); 23 (S1, 1-4); 24 (S2, 1-4); 25 (S3, 1-4); 26 (1-4); 27 (S3, 1-4); 28 (1-4); 29 (S1, 1-4); 30 (S4, 1-4); 31 (S3, 1-4); 32 (1-4); 33 (1-4); 34 (1-6); 35 (S2, 1-6); 36 (1-8); 37 (1-8); 38 (1-10); 39 (S1, 1, I, 2-8); 40 (1-8); 41 (S1, 1-8); 42 (1-8); 43 (1-8); 44 (1-8); 45 (1-8); 46 (S1, 1-8); 47 (S1, 1-8); 48 (S1, 1-8)
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