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Portico
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Preserved
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2026-02-12
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Preserved : 1953: 1(1-24), 1954: 2(1-24), 1955: 3(1-24), 1956: 4(1-24), 1957: 5(1-24), 1958: 6(1-24), 1959: 7(1-24), 1960: 8(1-24), 1961: 9(1-24), 1962: 10(1-24), 1963: 11(1-24), 1964: 12(1-24), 1965: 13(1-24), 1966: 14(1-24), 1967: 15(1-24), 1968: 16(1-24), 1969: 17(1-24), 1970: 18(1-24), 1971: 19(1-24), 1972: 20(1-24), 1973: 21(1-24), 1974: 22(1-24), 1975: 23(1-24)
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Portico
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Preserved
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2026-02-12
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Preserved : 1976: 24(1-24), 1977: 25(1-12), 1978: 26(1-12), 1979: 27(1-12), 1980: 28(1-12), 1981: 29(1-12), 1982: 30(1-12), 1983: 31(1-12), 1984: 32(1-12), 1985: 33(1-12), 1986: 34(1-12), 1987: 35(1-12), 1988: 36(1-12), 1989: 37(1-12), 1990: 38(1-12), 1991: 39(1-12), 1992: 40(1-12), 1993: 41(1-12), 1994: 42(1-12), 1995: 43(1-12), 1996: 44(1-12), 1997: 45(1-12), 1998: 46(1-6, 9-12), 1999: 47(1-12)
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CLOCKSS Archive
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Preserved
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2026-02-09
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20, 25 to 74
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 48(1-12), 2001: 49(1-12), 2002: 50(1-12), 2003: 51(1-12), 2004: 52(1-12), 2005: 53(1-12), 2006: 54(1-12), 2007: 55(1-12), 2008: 56(1-12), 2009: 57(1-12), 2010: 58(1, S 1, S 1, 1, 2-12), 2011: 59(1, S 1, 2-12), 2012: 60(1-12), 2013: 61(1-12), 2014: 62(1-12), 2015: 63(1-12), 2016: 64(1-12), 2017: 65(1-12), 2018: 66(1-12), 2019: 67(1-12), 2020: 68(1-12), 2021: 69(1-12), 2022: 70(1-12), 2023: 71(1-12), 2024: 72(1-12), 2025: 73(1-12), 2026: 74(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 59(1-12), 2012: 60(1-12), 2013: 61(1-12), 2014: 62(1-7, 9-12)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.45:1-6,9-12,7-8;vol.46:1-6,9-12,7-8;vol.47:1-12;vol.48:1-6,9-12,7-8;vol.49:1-6,9-12,7-8;vol.50:1-6,9-12,7-8;vol.51:1-6,9-12,7-8;vol.52:1-6,9-12,7-8;vol.53:1-6,9-12,7-8;vol.54:1-6,9-12,7-8;vol.55:1-6,9-12,7-8,S1,S2;vol.56:1-6,9-12,7-8,S1;vol.57:1-6,9-12,7-8,S1;vol.58:1-6,9-12,7-8,S1;vol.59:1-6,9-12,7-8,S1;vol.60:1-6,9-12,7-8;vol.61:1-6,9-12,7-8;vol.62:1-6,9-12,7-8;vol.63:1-6,9-12,7-8;vol.64:1-6,9-12,7-8;vol.65:1-6,9-12,7-8;vol.66:1-6,9-12,7-8;vol.67:1-6,9-12,7-8;vol.68:1-6,9-12,7-8;vol.69:1
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