|
|
CLOCKSS Archive
|
|
Preserved
|
2026-06-01
|
|
|
1 to 40
|
|
|
Portico
|
|
Preserved
|
2026-06-04
|
|
|
Preserved : 1981: 1(1-6), 1982: 2(1-6), 1983: 3(1-6), 1984: 4(1-6), 1985: 5(1-6), 1986: 6(1-4), 1986: 7(1-4), 1987: 8(1-4), 1987: 9(1-4), 1988: 10(1-4), 1988: 11(1-4), 1989: 12(1-4), 1989: 13(1-4), 1990: 14(1-4), 1990: 15(1-4), 1991: 16(1-4), 1991: 17(1-4), 1992: 18(1-4), 1992: 19(1-4), 1993: 20(1-4), 1993: 21(1-4), 1994: 22(1-4), 1994: 23(1-4), 1995: 24(1-2), 1995: 25(1-2), 1995: 26(1-2), 1995: 27(1-2), 1995: 28(1-2), 1996: 29(1-2), 1996: 30(1-2), 1996: 31(1-2), 1996: 32(1-2), 1996: 33(1-2), 1996: 34(1-2), 1997: 35(1-2), 1997: 36(1-2), 1997: 37(1-2), 1997: 38(1-2), 1997: 39(1-2), 1997: 40(1-2)
|
|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (2 to 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-6); 2 (1-6); 3 (1-6); 4 (1, 2P1, 3P1, 4-6); 5 (1-5, 6P1); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2)
|
