|
|
Portico
|
|
Preserved
|
2026-05-21
|
|
|
Preserved : 1980: 21(1-4), 1980: 22(1-4), 1980: 23(1-4), 1981: 24(1-4), 1981: 25(1-4), 1981: 26(1-4), 1982: 27(1-4), 1982: 28(1-4), 1982: 29(1-4), 1983: 30(1-4), 1983: 31(1-4), 1983: 32(1-4), 1984: 33(1-4), 1984: 34(1-4), 1984: 35(1-4), 1984: 36(1-4), 1985: 37(1-4), 1985: 38(1-4), 1985: 39(1-4), 1986: 40(1-4), 1986: 41(1-4), 1986: 42(1-4)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
21 to 42
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-05-18
|
|
|
21 to 42
|
|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4)
|
