|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-06-04
|
|
|
vol.25:1-4,sup.S1;vol.26:1-4,sup.S1;vol.27:1-2,5-6,3-4
|
|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 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, 2, 4); 22 (1 to 4); 23 (1 to 4); 24 (S2, 1 to 4); 25 (S1, 1 to 4); 26 (S1, 1 to 4); 27 (1, 2, 3‐4, 5, 6)
|
|
|
Portico
|
|
Preserved
|
2026-06-04
|
|
|
Preserved : 1985: 13(1-4), 1986: 14(1-4), 1987: 15(1-4), 1988: 16(1-4), 1989: 17(1-4), 1990: 18(1-4), 1991: 19(1-4), 1992: 20(1-4), 1993: 21(1-2, 4), 1994: 22(1-4), 1995: 23(1-4), 1996: 24(1-2, S2, 3-4), 1997: 25(1, S1, 2-4)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-06-01
|
|
|
19 to 27
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 25 (, 1 to 4); 26 (, 1 to 4); 27 (1, 2, 3?4, 5, 6)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 25 (, 1 to 4); 26 (, 1 to 4); 27 (1, 2, 3?4, 5, 6)
|
