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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 42; 50 (94P1); 53; 54 (1, 2); 55 (, 1, 2); 56 (, 1, 2); 57 (, 1, 2); 58 (, 1, 2); 59 (, 1, 2); 60 (, 1, 2); 61 (, 1, 2); 62 (, 1, 2); 1998; 2007; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.41:S68;vol.42:1,S70,S71;vol.43:1,S72;vol.44:1,S73,S74,S75;vol.45:1,S76,S77;vol.46:1,S78,S79,S81,S82;vol.47:1,S83PART1,S83PART2;vol.48:1,S84,S86;vol.49:1,S87;vol.50:1,94P1,94P2,S100,S89,S90,S91,S92,S93,S95,S96,S97,S98,S99;vol.51:1;vol.52:1;vol.53:1-2,sup.S108,sup.S109;vol.54:1-2,sup.S107,sup.S111;vol.55:1-2,sup.S112,sup.S113;vol.56:1-2,S101,S103,S104,S105P1,S105P2,S105P3,S106;vol.57:1-2;vol.58:1-2;vol.59:1-2;vol.60:1-2;vol.61:1-2;vol.62:1-2
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Portico
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Preserved
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2026-02-12
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Preserved : 1954: 1(1), 1955: 2(1), 1956: 3(1), 1957: 4(1), 1958: 5(1), 1959: 6(1), 1960: 7(1), 1961: 8(1), 1962: 9(1), 1963: 10(1), 1964: 11(1), 1965: 12(1), 1966: 13(1), 1967: 14(1), 1968: 15(1), 1969: 16(1), 1970: 17(1), 1971: 18(1), 1972: 19(1), 1973: 20(1), 1974: 21(1), 1975: 22(1), 1976: 23(1), 1977: 24(1), 1978: 25(1), 1979: 26(1), 1980: 27(1), 1981: 28(1), 1982: 29(1), 1983: 30(1), 1984: 31(1), 1985: 32(1), 1986: 33(1), 1987: 34(1), 1988: 35(1), 1989: 36(1), 1990: 37(1), 1993: 38(1), 1994: 39(1), 1995: 40(1), 1996: 41(1), 1998: 42(1, S 70), 1999: 43(1), 2000: 44(1), 2001: 45(1), 2003: 46(1), 2004: 47(1), 2005: 48(1), 2006: 49(1), 2007: 50(S 94, Part 1, S 94, Part 2, S 95, S 96, S 97, S 98, S 99, S 100), 2008: 51(1), 2009: 52(1), 2010: 53(S108, S109), 2011: 54(S107, S111), 2012: 55(1-2, S112, S113), 2013: 56(1-2, S 101, S 103, S 104, S 105P1, S 105P2, S 105P3, S 106), 2014: 57(1-2), 2015: 58(1-2), 2016: 59(1-2), 2017: 60(1-2), 2018: 61(1-2), 2019: 62(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 9, 11, 12, 14, 16 to 24, 26, 28, 30, 32 to 62
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Portico
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Preserved
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2026-02-12
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Preserved : 1954: 1(1), 1955: 2(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1967: 14(s_19)
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Portico
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Preserved
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2026-02-12
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Preserved : 1970: 17(1, s_25-s_26), 1971: 18(1, s_27), 1972: 19(1, s_28), 1973: 20(1, s_31), 1974: 21(1, s_30, s_32-s_33), 1975: 22(1, s_35), 1976: 23(1, s_36), 1977: 24(1, s_34, s_37), 1978: 25(1), 1979: 26(1, s_40), 1980: 27(1), 1981: 28(1, S 21_Part_2, S 38_Part_1, s_38_Part_4), 1982: 29(1), 1983: 30(1, s_21_Part_3, s_41-s_42), 1984: 31(1), 1985: 32(1, s_43), 1986: 33(s_38_Part_2, s_38_Part_3, s_44, s_45, s_54), 1987: 34(1, s_47, s_49, s_52), 1988: 35(1, s_48, s_51), 1989: 36(1, s_53, s_55-s_57), 1990/1991/1992: 37(1, s_58-s_59, s_60_Part_1, s_60_Part_2, s_60_Part_3), 1993: 38(1), 1994: 39(1), 1995: 40(1, s_50_Part_1, s_50_Part_2, s_61-s_63, s_66), 1996/1997: 41(1, s_65, s_67-s_68), 1998: 42(1, s_70-s_71), 1999: 43(1, s_72), 2000: 44(1, s_73-s_75), 2001/2002: 45(1, s_76-s_77), 2003: 46(1, s_78-s_79, s_81-s_82), 2004: 47(1, s_83_Part_1, s_83_Part_2), 2005: 48(1, s_84, s_86), 2006: 49(1, s_87), 2007: 50(1, s_89-s_93, s_94_Part_1, s_94_Part_2, s_95-s_100), 2008: 51(1), 2009: 52(1), 2010: 53(1-2, s_108-s_109), 2011: 54(1-2, s_107, s_111), 2012: 55(1-2, s_112-s_113), 2013: 56(1-2, s_101, s_103-s_104, s_105_Part_1, s_105_Part_2, s_105_Part_3, s_106), 2014: 57(1-2), 2015: 58(1-2), 2016: 59(1-2), 2017: 60(1-2), 2018: 61(1-2), 2019: 62(1-2), 2020: 63(1-2), 2021: 64(1-2), 2022: 65(1-2), 2023: 66(1-2), 2024: 67(1-2), 2025: 68(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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51 to 66
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CLOCKSS Archive
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In Progress
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2026-02-09
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51 to 67
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LOCKSS Archive
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In Progress
|
2026-02-09
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67
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 63 (1, 2)
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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 : 63 (1, 2)
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