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Internet Archive
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Preserved
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2025-08-08
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1 to 29
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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 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 5); 10 (, 1 to 4); 11 (, 1 to 6); 12 (, 1 to 5); 13 (, 1 to 5); 14 (, 1 to 5); 15 (, 1 to 5); 16 (, 1 to 5); 17 (, 1 to 5); 18 (, 1 to 5); 19 (, 1 to 5); 20 (, 1 to 5); 21 (, 1 to 5); 22 (, 1 to 5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1 to 5); 26 (, 1 to 5); 27 (, 1 to 5); 28 (, 1 to 5); 29 (, 1 to 5); 30 (, 1 to 5); 31 (, 1 to 5); 32 (, 1 to 3, 4-5); 33 (, 1 to 5); 34 (, 1 to 5); 35 (, 1 to 5); 36 (, 1 to 5); 37 (, 1 to 5); 38 (, 1 to 5); 39 (, 1 to 3, 4-5); 40 (, 1 to 5); 41 (, 1 to 5); 42 (, 1 to 5); 43 (, 1 to 5); 44 (, 1 to 5); 45 (, 1, 2); 1952; 1953; 1956; 1957; 1966; 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 46
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Portico
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Preserved
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2026-02-12
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Preserved : 1949/1962: 1(1-4), 1950/1963: 2(1-4), 1951/1964: 3(1-4), 1952: 4(1, S1, 2, S2, 3-4), 1953: 5(1, S1, 2-4), 1954/1967: 6(1-4), 1955/1968: 7(1-4), 1956/1969: 8(1, S1, 2, S2, 3-4), 1957/1970/1989: 9(1, S 1, 2-5), 1971: 10(1-4), 1972/1991: 11(1-6), 1973/1992: 12(1-5), 1974/1993: 13(1-5), 1975/1994: 14(1-5), 1976/1995: 15(1-5), 1977/1996: 16(1-5), 1978/1997: 17(1-5), 1979/1998: 18(1-5), 1980/1999: 19(1-5), 2000: 20(1-5), 2001: 21(1-5), 2002: 22(1-5), 2003: 23(1-5), 2004: 24(1-5), 2005: 25(1-5), 2006: 26(1-5), 2007: 27(1-5), 2008: 28(1-5), 2009: 29(1-5), 2010: 30(1-5), 2011: 31(1-5), 2012: 32(1-5), 2013: 33(1-5), 2014: 34(1-5), 2015: 35(1-5), 2016: 36(1-5), 2017: 37(1-5), 2018: 38(1-5), 2019: 39(1-5), 2020: 40(1-5), 2021: 41(1-5), 2022: 42(1-5), 2023: 43(1-5), 2024: 44(1-5), 2025: 45(1-5), 2026: 46(1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.17:1-5;vol.18:1-5;vol.19:1-5;vol.20:1-5;vol.21:1-5;vol.22:1-5;vol.23:1-5;vol.24:1-5;vol.25:1-5;vol.26:1-5;vol.27:1-5;vol.28:1-5;vol.29:1-5;vol.30:1-5;vol.31:1-5;vol.32:1-3,4-5;vol.33:1-5;vol.34:1-5;vol.35:1-5;vol.36:1-5;vol.37:1-5;vol.38:1-5;vol.39:1-3,4-5;vol.40:1-5
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