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Internet Archive
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Preserved
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2025-08-08
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1 to 8
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.37:1-1,4,2-3;vol.38:3-4,1-2;vol.39:1-2,3-4;vol.40:1-2,3-4;vol.41:1-4;vol.42:1-1,4,2-3;vol.43:1-2,3-4;vol.44:4,1-3;vol.45:3-4,1-2;vol.46:1-4;vol.47:1-2,3-4;vol.48:1-2,3-4;vol.49:1-2,3-4;vol.50:1-4,5-6;vol.51:1-2,7-7,10,11-12,3-4,5-6,8-9;vol.52:5-7,10,11-12,1-2,3-4,8-9;vol.53:5-5,8,11-12,1-2,3-4,6-7,9-10;vol.54:3-4,7-7,10,11-12,1-2,5-6,8-9;vol.55:1-2,5-5,8-10,11-12,3-4,6-7;vol.56:1-1,4-5,8,11-12,2-3,6-7,9-10;vol.57:5-6,9-9,12,1-2,10-11,3-4,7-8;vol.58:5-5,8-8,11-12,1-2,3-4,6-7,9-10;vol.59:5-5,8-10,1-2,11-12,3-4,6-7;vol.60:7-7,12,1-2,10-11,3-4,5-6,8-9
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Portico
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Preserved
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2026-02-12
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Preserved : 1963: 1(1-3, 3, A, 4), 1964: 2(1-5, 5, A, 6), 1965: 3(1-4, 4, A, 5-6), 1966: 4(1, 1, A, 2-6), 1967: 5(1-4, 4, A, 5-6), 1968: 6(1-6), 1969: 7(1, S 1, 2-6), 1970: 8(1, S 1, 2-6), 1971: 9(1-6), 1972: 10(1-6), 1973: 11(1-6), 1974: 12(1-6), 1975: 13(1-3), 1975: 14(S 1), 1976: 15(1-4), 1977: 16(1-4), 1978: 17(1-4), 1979: 18(1-4), 1980: 19(1-4), 1980: 20(1-4), 1981: 21(1-4), 1982: 22(1-4), 1983: 23(1-4), 1984: 24(1-4), 1985: 25(1-4), 1985: 26(1-4), 1986: 27(1-4), 1987/1988: 28(1-4), 1989: 29(1-4), 1990: 30(1-4), 1991: 31(1-4), 1992: 32(1-4), 1993: 33(1-4), 1994: 34(1-4), 1995: 35(1-4), 1996: 36(1-4), 1997: 37(1-4), 1998: 38(1-4), 1999: 39(1-4), 2000: 40(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 66
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 41(1-4), 2002: 42(1, 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 44(4), 2005: 45(3-4), 2006: 46(1-4), 2007: 47(1-2), 2008: 48(1-2), 2009: 49(1-2), 2010: 50(1-6), 2011: 51(1-12), 2012: 52(1-12), 2013: 53(1-12), 2014: 54(1-12), 2015: 55(1-12), 2016: 56(1-12), 2017: 57(1-12), 2018: 58(1-12), 2019: 59(1-12), 2020: 60(1-12), 2021: 61(1-12), 2022: 62(1-12), 2023: 63(1-12), 2024: 64(1-12), 2025: 65(1-12), 2026: 66(1)
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Library of Congress
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Preserved
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2025-04-07
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29 (2-3); 54 (1‐2, 3 to 5‐6, 7, 8‐9, 10, 11‐12); 55 (1 to 3‐4, 5, 6‐7, 8 to 11‐12); 56 (1, 2‐3, 4 to 6-7, 8, 9-10, 11-12); 57 (1-2, 5, 7-8, 9, 10-11); 58 (1-2, 3-4, 5, 11, 12); 59 (1-2, 3-4, 5, 6-7, 8 to 11-12); 60 (1-2, 3-4, 5-6, 7, 8-9, 10-11, 12); 61 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 62 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 63 (7-8, 9); 64 (3-4); 65 (1)
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