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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 24 (2 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (S1, 1 to 4); 29 (1 to 4); 30 (s1, 1 to 4); 31 (1 to 4); 32 (s1, 1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (2 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 3); 54 (1 to 4); 55 (1 to 4); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 60 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-4;vol.49:1-4;vol.50:1-4;vol.51:1-4;vol.52:1-4;vol.53:1-4;vol.54:1-4;vol.55:1-4;vol.56:1-6;vol.57:1-6;vol.58:1-6;vol.59:1-6;vol.60:1-6;vol.61:1
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Portico
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Preserved
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2026-04-09
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Preserved : 1984: 24(1-4), 1985: 25(1-4), 1986: 26(1-4), 1987: 27(1-4), 1988: 28(1, S1, 2-4), 1989: 29(1-4), 1990/1991: 30(1-4), 1991: 31(1-4), 1992: 32(1-4), 1993: 33(1-4), 1994: 34(1-4), 1995: 35(1-4), 1996: 36(1-4), 1997: 37(1-4), 1998: 38(1-4), 1999: 39(1-4), 2000: 40(1-4), 2001: 41(1-4), 2002: 42(1-4), 2003: 43(1-4), 2004: 44(1-4), 2005: 45(1-4), 2006: 46(1-4), 2007: 47(1-4), 2008: 48(1-4), 2009: 49(1-4), 2010: 50(1-4), 2011: 51(1-4), 2012: 52(1-4), 2013: 53(1-4), 2014: 54(1-4), 2015: 55(1-4), 2016: 56(1-6), 2017: 57(1-6), 2018: 58(1-6), 2019: 59(1-6), 2020: 60(1-6), 2021: 61(1-6), 2022: 62(1-6), 2023: 63(1-6), 2024: 64(1-6), 2025: 65(1), 2026: 66(1)
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CLOCKSS Archive
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Preserved
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2026-04-06
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28, 30 to 65
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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 : 4 (1 to 4); 5 (1 to 4); 6 (1 to 6); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 4, 6); 64 (1 to 6)
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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 : 4 (1 to 4); 5 (1 to 4); 6 (1 to 6); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 4, 6); 64 (1 to 6)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 46 (1-4); 47 (1-4)
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