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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 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1, 2-3, 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1, 2, 3-4); 21 (1 to 3); 22 (1-2, 3-4); 23 (1, 2-3, 4)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.17:1-4;vol.18:1-4;vol.19:1-4;vol.20:1-2,3-4;vol.21:1-4;vol.22:1-2,3-4;vol.23:1-1,4,2-3
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CLOCKSS Archive
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Preserved
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2026-04-13
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0, 1, 11 to 23
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Portico
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Preserved
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2026-04-16
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Preserved : 1980/1981: 1(0-4), 1982: 2(1-4), 1983: 3(1-4), 1984: 4(1-4), 1985: 5(1-4), 1986: 6(1-4), 1987: 7(1-6), 1988: 8(1-6), 1989: 9(1-6), 1990: 10(1-6), 1991: 11(1-6), 1992: 12(1-6), 1993: 13(1-4), 1994: 14(1-4), 1995: 15(1-4), 1996: 16(1-4), 1997: 17(1-4), 1998: 18(1-4), 1999: 19(1-4), 2000: 20(1-4), 2001: 21(1-4), 2002: 22(1-4), 2003: 23(1-4)
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