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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-4;vol.49:1-4;vol.50:1-4;vol.51:1-4;vol.52:1-4;vol.53:1-4;vol.54:1-4;vol.55:1-4;vol.56:1-4;vol.57:1-4;vol.58:1-4;vol.59:1-4;vol.60:1-4;vol.61:1-4;vol.62:1-3
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CLOCKSS Archive
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Preserved
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2026-02-09
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27, 33 to 67
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Portico
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Preserved
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2026-02-12
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Preserved : 1959: 1(1-3), 1960: 2(1-3), 1961: 3(1-3), 1962: 4(1-3), 1963: 5(1-3), 1964: 6(1-3), 1965: 7(1-3), 1966: 8(1-3), 1967: 9(1-3), 1968: 10(1-3), 1969: 11(1-3), 1970: 12(1-3), 1971: 13(1-3), 1972: 14(1-3), 1973: 15(1-3), 1974: 16(1-3), 1975: 17(1-3), 1976: 18(1-3), 1977: 19(1-3), 1978: 20(1-3), 1979: 21(1-3), 1980: 22(1-3), 1981: 23(1-3), 1982: 24(1-3), 1983: 25(1-3), 1984: 26(1-3), 1985: 27(1-3), 1986: 28(1-3), 1987: 29(1-3), 1988: 30A(1), 1988: 30B(1), 1988: 30(1-3), 1989: 31(1-3), 1989: 31A(1), 1990: 32(1-3), 1991: 33(1-3), 1992: 34(1-3), 1993: 35(1-3), 1994: 36(1-3), 1995: 37(1-3), 1996: 38(1-3), 1997: 39(1-3)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 40 (1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1, 2); 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 53(1-4), 2012: 54(1-4), 2013: 55(1-4), 2014: 56(1-4), 2015: 57(1-4), 2016: 58(1-4), 2017: 59(1-4), 2018: 60(1-4), 2019: 61(1-4), 2020: 62(1-4), 2021: 63(1-4), 2022: 64(1-4), 2023: 65(1-4), 2024: 66(1-4), 2025: 67(1-4), 2026: 68(1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 39 (1 to 3); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 39 (1 to 3); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 3)
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