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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1977(78-80), 1978: 1978(81-83), 1979: 1979(84-86), 1980: 1980(87-89), 1981: 1981(90-92), 1982: 1982(93-95), 1983: 1983(96-98), 1984: 1984(99-101), 1985: 1985(102-104), 1986: 1986(105-107), 1987: 1987(108-110), 1988: 1988(111-113), 1989: 1989(114-116), 1990: 1990(117-119), 1991: 1991(120-122), 1992: 1992(123-125), 1993: 1993(126-128), 1994: 1994(129-131), 1995: 1995(132-134), 1996: 1996(135-137), 1997: 1997(138-140), 1998: 1998(141-143), 1999: 1999(144-146), 2000: 2000(147-149), 2001: 2001(150-152), 2002: 2002(153-155), 2003: 2003(156-158), 2003/2004: 2004(157-161), 2005: 2005(162, 164), 2006: 2006(165-167), 2007: 2007(168)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 145 (1); 157; 158; 162 (1); 164 (, 1); 1977 (, 78 to 80); 1978 (, 81 to 83); 1979 (, 84 to 86); 1980 (, 87 to 89); 1981 (, 90 to 92); 1982 (, 93 to 95); 1983 (, 96 to 98); 1984 (, 99 to 101); 1985 (, 102 to 104); 1986 (, 105, 106-107); 1987 (, 108 to 110); 1988 (, 111 to 113); 1989 (, 114 to 116); 1990 (, 117 to 119); 1991 (, 120 to 122); 1992 (, 123 to 125); 1993 (, 126 to 128); 1994 (, 129 to 131); 1995 (, 132 to 134); 1996 (, 135 to 137); 1997 (, 138 to 140); 1998 (, 141 to 143); 1999 (, 144 to 146); 2000 (, 147 to 149); 2001 (, 150 to 152); 2002 (, 153 to 155); 2003 (, 156 to 158); 2004 (, 157 to 161); 2005 (, 162 to 164); 2006 (, 165 to 167); 2007 (, 168)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1977 to 2004
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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 : 1977 (78-80); 1978 (81-83); 1979 (84-86); 1980 (87-89); 1981 (90-92); 1982 (93-95); 1983 (96-98); 1984 (99-101); 1985 (102-104); 1986 (105, 106-107); 1987 (108-110); 1988 (111-113); 1989 (114-116); 1990 (117-119); 1991 (120-122); 1992 (123-125); 1993 (126-128); 1994 (129-131); 1995 (132-134); 1996 (135-137); 1997 (138-140); 1998 (141-143); 1999 (144-146); 2000 (147-149); 2001 (150-152); 2002 (153-155); 2003 (156-158); 2004 (159-161)
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