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Portico
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Preserved
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2026-05-07
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Preserved : 1977/1978: 1(1, Index 1, 2-4), 1978: 2(1, Index 1, 2-4), 1979: 3(1, Index 1, 2-4), 1980: 4(1, Index 1, 2-4), 1981: 5(1, Index 1, 2-4), 1982: 6(1-4), 1983: 7(1-4), 1984: 8(1-4), 1985: 9(1, Index 1, 2-4), 1986: 10(1-4), 1987: 11(1-4), 1988: 12(1-4), 1989: 13(1, Index 1, 2-4), 1990: 14(1-4), 1991: 15(1, Index 1, 2-4), 1992: 16(1-4), 1993: 17(1, Index 1, 2-4), 1994: 18(1, Index 1, 2-4), 1995: 19(1-4), 1996: 20(1-4), 1997: 21(1-4), 1998: 22(1-4)
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CLOCKSS Archive
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Preserved
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2026-05-04
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1 to 22
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LOCKSS Archive
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Preserved
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2026-05-04
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1 to 22
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Portico
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Preserved
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2026-05-07
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Preserved : 1977/1978: 1(1-4), 1978: 2(1-2), 1979: 3(1-2), 1980: 4(1-2), 1981: 5(1-2), 1982: 6(1-4), 1983: 7(1-4), 1984: 8(1-4), 1985: 9(1-4), 1986: 10(1-4), 1987: 11(1-4), 1988: 12(1-2), 1989: 13(1-4), 1990: 14(1-4), 1991: 15(1, 3-4), 1992: 16(1-4), 1993: 17(1-4), 1994: 18(1-4), 1995: 19(1-4), 1996: 20(1-4), 1997: 21(1-4), 1998: 22(1-4)
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CLOCKSS Archive
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Preserved
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2026-05-04
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1 to 22
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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, 2, 3-4); 3 (Index, 1, 2, 3-4); 4 (Index, 1, 2, 3-4); 5 (1, 2, 3-4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (Index, 1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1, 2, 3-4); 13 (Index, 1 to 4); 14 (1 to 4); 15 (Index, 1 to 4); 16 (1 to 4); 17 (Index, 1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 22
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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 : 1 (I1, 1-4); 2 (1, 2, 3-4); 3 (1, 2, 3-4); 4 (I1, 1, 2, 3-4); 5 (I1, 1, 2, 3-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1, 2, 3-4); 13 (I1, 1-4); 14 (1-4); 15 (I1, 1-4); 16 (1-4); 17 (I1, 1-4); 18 (I1, 1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4)
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