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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.67:1-4;vol.68:1-4;vol.69:1-4;vol.70:1-4;vol.71:1-4;vol.72:1-4;vol.73:1-4;vol.74:1-4;vol.75:1-4;vol.76:1-4;vol.77:1-4;vol.78:1-4;vol.79:1-4;vol.80:1-4;vol.81:1-4;vol.82:1-4;vol.83:1-4;vol.84:1-4;vol.85:1-4;vol.86:1-4;vol.87:1-4;vol.88:1-4;vol.89:1-4;vol.90:1-4,sup.S1
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 3); 19 (, 1 to 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 2, 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31; 32; 33 (1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 83 (, 1 to 4); 84 (, 1 to 4); 85 (, 1 to 4); 86 (, 1 to 4); 87 (, 1 to 4); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 91 (, 1 to 4); 92 (, 1 to 4); 93 (, 1 to 4); 94 (, 1 to 4); 95 (, 1, 2); 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 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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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 95
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Portico
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Preserved
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2026-02-12
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Preserved : 1931: 1(1-3), 1932: 2(1-3), 1933: 3(1-3), 1934: 4(1-3), 1935: 5(1-3), 1936: 6(1-3), 1937: 7(1-3), 1938: 8(1-3), 1939: 9(1-3), 1940: 10(1-3), 1941: 11(1-3), 1942: 12(1-3), 1943: 13(1-3), 1944: 14(1-3), 1945: 15(1-3), 1946: 16(1-3), 1947: 17(1-3), 1948: 18(1-3), 1949: 19(1-3), 1950: 20(1-3), 1951: 21(1-3), 1952: 22(1-3), 1953: 23(1-3), 1954: 24(1-3), 1955: 25(1-3), 1956: 26(1-3), 1957: 27(1-3), 1958: 28(1-3), 1959: 29(1-3), 1960: 30(1-3), 1961: 31(P1-P3), 1962: 32(P1-P3), 1963: 33(1-3), 1964: 34(1-3), 1965: 35(1-3), 1966: 36(1-3), 1967: 37(1-3), 1968: 38(1-3), 1969: 39(1-3), 1970: 40(1-3), 1971: 41(1-3), 1972: 42(1-3), 1973: 43(1-3), 1974: 44(1-3), 1975: 45(1-3), 1976: 46(1-3), 1977: 47(1-3), 1978: 48(1-3), 1979: 49(1-3), 1980: 50(1-3), 1981: 51(1-3), 1982: 52(1-3), 1983: 53(1-3), 1984: 54(1-3), 1985: 55(1-3), 1986: 56(1-3), 1987: 57(1-3), 1988: 58(1-3), 1989: 59(1-3), 1990: 60(1-3), 1991: 61(1-3), 1992: 62(1-3), 1993: 63(1-3), 1994: 64(1-3), 1995: 65(1-4), 1996: 66(1-4), 1997: 67(1-4), 1998: 68(1-4), 1999: 69(1-4), 2000: 70(1-4), 2001: 71(1-4), 2002: 72(1-4), 2003: 73(1-4), 2004: 74(1-4), 2005: 75(1-4), 2006: 76(1-4), 2007: 77(1-4), 2008: 78(1-4), 2009: 79(1-4), 2010: 80(1-4), 2011: 81(1-4), 2012: 82(1-4), 2013: 83(1-4), 2014: 84(1-4), 2015: 85(1-4), 2016: 86(1-4), 2017: 87(1-4), 2018: 88(1-4), 2019: 89(1-4), 2020: 90(1, S1, 2-4), 2021: 91(1-4), 2022: 92(1-4), 2023: 93(1, S1, 2, S2, 3-4), 2024: 94(1-4), 2025: 95(1, S1, 2-4), 2026: 96(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 : 7 (1 to 4); 8 (1 to 4); 9 (S1, 1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (S1, 1 to 4); 94 (1 to 4); 95 (S1, 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 : 7 (1 to 4); 8 (1 to 4); 9 (S1, 1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (S1, 1 to 4); 94 (1 to 4); 95 (S1, 1 to 3)
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