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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2 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 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 9); 20 (1 to 9); 21 (1 to 9); 22 (1 to 9); 23 (1 to 9); 24 (1 to 9); 25 (1 to 9); 26 (1 to 9); 27 (1 to 10); 28 (1 to 10); 29 (1 to 7, 9, 10); 30 (1 to 10); 31 (1 to 4, 6 to 10); 32 (1 to 10); 33 (5, 8); 34 (1 to 10); 35 (1 to 10); 36 (1 to 10); 37 (1 to 10); 38 (1 to 10); 39 (1 to 10); 40 (S1, 1 to 10); 41 (1 to 10); 42 (1 to 10); 43 (1 to 10); 44 (1 to 10); 45 (1 to 10); 46 (1 to 10); 47 (1 to 10); 48 (1 to 10); 49 (1, 2, 6 to 10); 50 (1 to 10); 51 (1 to 10); 52 (1 to 10); 53 (1 to 10); 54 (1 to 10); 55 (1 to 10); 56 (1 to 10); 57 (1 to 10); 58 (1 to 10); 59 (1 to 10); 60 (1 to 10); 61 (1 to 10); 62 (1 to 10); 63 (1 to 3)
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Internet Archive
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Preserved
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2025-08-08
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1 to 51
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Portico
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Preserved
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2026-04-16
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Preserved : 1963: 1(1-4), 1964: 2(1-4), 1965: 3(1-4), 1966: 4(1-4), 1967: 5(1-4), 1969: 6(1-4), 1970: 7(1-4), 1971: 8(1-4), 1972: 9(1-4), 1973: 10(1-4), 1974: 11(1-4), 1975: 12(1-4), 1976: 13(1-6), 1977: 14(1-6), 1978: 15(1-6), 1979: 16(1-6), 1980: 17(1-6), 1981: 18(1-6), 1982: 19(1-9), 1983: 20(1-9), 1984: 21(1-9), 1985: 22(1-9), 1986: 23(1-9), 1987: 24(1-9), 1988: 25(1-9), 1989: 26(1-9), 1990: 27(1-10), 1991: 28(1-10), 1992: 29(1-10), 1993: 30(1-10), 1994: 31(1-10), 1995: 32(1-10), 1996: 33(1-10), 1997: 34(1-10), 1998: 35(1-10), 1999: 36(1-10), 2000: 37(1-10), 2001: 38(1-10), 2002: 39(1-10), 2003: 40(1, S 1, 2-10), 2004: 41(1-10), 2005: 42(1-10), 2006: 43(1-10), 2007: 44(1-10), 2008: 45(1-10), 2008/2009: 46(1-10), 2010: 47(1-10), 2011: 48(1-10), 2012: 49(1-10), 2013: 50(1-10), 2014: 51(1-10), 2015: 52(1-10), 2016: 53(1-10), 2017: 54(1-10), 2018: 55(1-10), 2019: 56(1-10), 2020: 57(1-10), 2021: 58(1-10), 2022: 59(1-10), 2023: 60(1-10), 2024: 61(1-10), 2025: 62(1-10), 2026: 63(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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28 to 63
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.34:1-10;vol.35:1-10;vol.36:1-10;vol.37:1-10;vol.38:1-10;vol.39:1-10;vol.40:1-10,S1;vol.41:1-10;vol.42:1-10;vol.43:1-10;vol.44:1-10;vol.45:1-10;vol.46:1-10;vol.47:1-10;vol.48:1-10;vol.49:1-10;vol.50:1-10;vol.51:1-10;vol.52:1-10;vol.53:1-10;vol.54:1-10;vol.55:1-10;vol.56:1-10;vol.57:1-10;vol.58:1-2
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