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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.15:3;vol.16:1-3;vol.17:1,2-3;vol.18:1-3;vol.19:3,1-2;vol.20:1-3;vol.21:1-3;vol.22:1-3;vol.23:1-3;vol.24:1-3;vol.25:1,2-3;vol.26:1-3;vol.27:1-3;vol.28:1-3;vol.29:1-3;vol.30:1-3;vol.31:1,2-3;vol.32:1-3,sup.s1;vol.33:1-3,sup.s3;vol.34:1-3;vol.35:1-3,sup.s3;vol.36:1-3;vol.37:1,2-3,sup.s1;vol.38:1-3;vol.39:1-3,sup.s1;vol.40:1-6,sup.s1;vol.41:1-2,5-6,3-4,sup.s1;vol.42:1-6,sup.s1;vol.43:1-6,sup.s1;vol.44:1-3,6,4-5,s1;vol.45:1-6,S1;vol.46:1-6,S1;vol.47:1-6,S1;vol.48:1-6,S1;vol.49:1-6;vol.50:1-6,sup.S1;vol.51:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 31
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Portico
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Preserved
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2026-02-12
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Preserved : 1986/1987/1988: 1(1-4), 1988: 2(1-4), 1989: 3(1-4), 1990: 4(1-4), 1991: 5(1-4), 1991/1992: 6(1-4), 1992: 7(1-4), 1992/1993: 8(1-4), 1993: 9(1-4), 1994: 10(1-3), 1994: 11(1-3), 1995: 12(1-3), 1995/1996: 13(1-3), 1996: 14(1-3), 1996/1997: 15(1-3), 1997: 16(1-3), 1997: 17(1-3), 1998: 18(1-3), 1998: 19(1-3), 1999: 20(1-3), 1999: 21(1-3), 2000: 22(1-3), 2000: 23(1-3), 2000/2001: 24(1-3), 2001: 25(1-3), 2001: 26(1-3), 2002: 27(1-3), 2003: 28(1-3), 2003: 29(1-3), 2004: 30(1-3), 2004: 31(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 : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1, 2, 3-4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1, 2, 3-4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 3); 11 (, 1, 2-3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1, 2-3); 18 (, 1 to 3); 19 (, 1-2, 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1, 2-3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1, 2-3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1, 2‐3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 6); 41 (, 1, 2, 3‐4, 5, 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 3, 4-5, 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 3, 5, 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 4); 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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Internet Archive
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Preserved
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2025-08-08
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1 to 15
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Portico
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Preserved
|
2026-02-12
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Preserved : 1986/1987: 1(1-4), 1988: 2(1-4), 1989: 3(1-4), 1990: 4(1-4), 1991: 5(1-4), 1991/1992: 6(1-4), 1992: 7(1-4), 1992/1993: 8(1-4), 1993: 9(1-4), 1994: 10(1-3), 1994: 11(1-3), 1995: 12(1-3), 1995/1996: 13(1-3), 1996: 14(1-3), 1996/1997: 15(1-3), 1997: 16(1-3), 1997: 17(1-3), 1998: 18(1-3), 1998: 19(1-3), 1999: 20(1-3), 1999: 21(1-3), 2000: 22(1-3), 2000: 23(1-3), 2000/2001: 24(1-3), 2000: 25(1)
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 57
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Portico
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Preserved
|
2026-02-12
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Preserved : 2001: 26(1-3), 2002: 27(1-3), 2003: 28(1-3), 2003: 29(1-3), 2004: 30(1-3), 2004: 31(1), 2005: 32(1-3), 2005: 33(1-3), 2006: 34(1-3), 2006: 35(1-3), 2007: 36(1-3), 2007: 37(1), 2008: 38(1-3), 2008: 39(1-3), 2009: 40(1-3), 2010: 41(1-2), 2011: 42(1-6), 2012: 43(1-6), 2013: 44(1, S 1, 2-6), 2014: 45(1, S 1, 2-6), 2015: 46(1, S 1, 2-6), 2016: 47(1, S 1, 2-6), 2017: 48(1, S 1, 2-6), 2018: 49(1-6), 2019: 50(1, S1, 2-6), 2020: 51(1-6), 2021: 52(1-6), 2022: 53(1, S 1, 2-6), 2023: 54(1-6), 2024: 55(1-6), 2025: 56(1-6), 2026: 57(1-2)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 3 (1 to 3); 4 (, 1 to 6); 5 (S1, 1 to 6); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1, 2?3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1, 2?3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (1 to 3); 35 (, 1 to 3); 36 (1 to 3); 37 (, 1, 2?3); 38 (1 to 3); 39 (, 1 to 3); 41 (, 1, 2, 3?4, 5, 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (s1, 1 to 3, 4-5, 6); 45 (S1, 1 to 6); 46 (S1, 1 to 6); 47 (S1, 1 to 6); 48 (S1, 1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (S1, 1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 5)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 3 (1 to 3); 4 (, 1 to 6); 5 (S1, 1 to 6); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1, 2?3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1, 2?3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (1 to 3); 35 (, 1 to 3); 36 (1 to 3); 37 (, 1, 2?3); 38 (1 to 3); 39 (, 1 to 3); 41 (, 1, 2, 3?4, 5, 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (s1, 1 to 3, 4-5, 6); 45 (S1, 1 to 6); 46 (S1, 1 to 6); 47 (S1, 1 to 6); 48 (S1, 1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (S1, 1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 5)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1, 2, 3-4); 5 (1-4); 6 (1-4); 7 (1, 2, 3-4); 8 (1-4); 9 (1-4); 10 (1-3); 11 (1, 2-3); 12 (1, 2); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1, 2-3); 18 (1-3); 19 (1-2, 3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1, 2-3); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1, 2-3); 34 (1-3); 35 (s3, 1-3); 36 (1-3); 37 (s1, 1)
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