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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 11 (2 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1, 2); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1‐4); 48; 49 (2, 3); 50 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 60 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (2, 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 70 (1 to 3); 71 (1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 3); 76 (1 to 3); 77 (1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.48:1-3;vol.49:1-3;vol.50:1-3;vol.51:1-3;vol.52:1-3;vol.53:1-3;vol.54:1-3;vol.55:1-3;vol.56:1-3;vol.57:1-3;vol.58:1-3;vol.59:1-3;vol.60:1-3;vol.61:1-3;vol.62:1-3;vol.63:1-3;vol.64:1-3;vol.65:1-3;vol.66:1-3;vol.67:1-3;vol.68:1-3;vol.69:1-3;vol.70:1-3;vol.71:1-3;vol.72:1
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Portico
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Preserved
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2026-04-16
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Preserved : 1955/1956: 11(2-4), 1956/1957: 12(1-4), 1958/1959/1960: 13(1-4), 1960/1961: 14(1-4), 1962/1963: 15(1-4), 1964/1965: 16(1-4), 1966: 17(1-2), 1967: 18(1-3), 1968: 19(1-3), 1969: 20(1-3), 1970: 21(1-3), 1971: 22(1-3), 1972: 23(1-3), 1973: 24(1-3), 1974: 25(1-3), 1975: 26(1-3), 1976: 27(1-3), 1977: 28(1-3), 1978: 29(1-3), 1979: 30(1-3), 1980: 31(1-3), 1981: 32(1-3), 1982: 33(1-3), 1983: 34(1-3), 1984: 35(1-3), 1985: 36(1-3), 1986: 37(1-3), 1987: 38(1-3), 1988: 39(1-3), 1989: 40(1-3), 1990: 41(1-3), 1991: 42(1-3), 1992: 43(1-3), 1993: 44(1-3), 1994: 45(1-3), 1995: 46(1-3), 1996: 47(1-4), 1997: 48(1‐3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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42 to 77
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Portico
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Preserved
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2026-04-16
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Preserved : 1998: 49(1-2), 1999: 50(1-2), 2000: 51(1-2), 2001: 52(1-2), 2002: 53(1-2), 2003: 54(1-3), 2004: 55(1-3), 2005: 56(1-3), 2006: 57(1-3), 2007: 58(1-3), 2008: 59(1-3), 2009: 60(1-3), 2010: 61(1-3), 2011: 62(1-3), 2012: 63(1-3), 2013: 64(1-3), 2014: 65(1-3), 2015: 66(1-3), 2016: 67(1-3), 2017: 68(1-3), 2018: 69(1-3), 2019: 70(1-3), 2020: 71(1-3), 2021: 72(1-3), 2022: 73(1-3), 2023: 74(1-3), 2024: 75(1-3), 2025: 76(1-3), 2026: 77(1)
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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 : 57 (1-3); 58 (1-3)
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