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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 10, 11-12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 10, 11-12); 38 (, 1 to 12); 39 (, 1-2, 3 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1, 2-3, 4 to 12); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1, 2-3, 4, 5, 6-7, 8, 10, 11-12); 48 (, 1-2, 3, 4, 5-6, 7 to 12); 49 (, 1, 2-3, 4 to 9, 10-11, 12); 50 (, 1, 2-3, 4, 5-6, 7 to 10, 11-12); 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.48:3-4,7-12,1-2,5-6;vol.49:1-1,4-9,12,10-11,2-3;vol.50:1-1,4-4,7-10,11-12,2-3,5-6
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Portico
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Preserved
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2026-02-12
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Preserved : 1979: 30(1-12), 1980: 31(1-12), 1981: 32(1-12), 1982: 33(1-12), 1983: 34(1-12, 11-12), 1984: 35(1-12), 1985: 36(1-12), 1986: 37(1-12), 1987: 38(1-12), 1988: 39(1-12), 1989: 40(1-12), 1990: 41(1-12), 1991: 42(1-12), 1992: 43(1-6), 1993: 44(1-6), 1994: 45(1-6), 1995: 46(1-6), 1996: 47(1-12), 1997: 48(1-12), 1998: 49(1-12), 1999: 50(1-12)
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CLOCKSS Archive
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Preserved
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2026-02-09
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34, 35, 37, 42 to 50
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