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Internet Archive
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Preserved
|
2026-07-13
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1 to 45
|
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Scholars Portal
|
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Preserved
|
2026-06-02
|
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Preserved : 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 3); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1-2, 3-4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1)
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Technische Informationsbibliothek
|
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Preserved
|
2026-06-04
|
|
|
vol.35:1-6;vol.36:1-6;vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-4;vol.49:1-4;vol.50:1-4;vol.51:1-4;vol.52:1-3
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CLOCKSS Archive
|
|
Preserved
|
2026-07-06
|
|
|
35 to 58
|
|
|
Portico
|
|
Preserved
|
2026-07-16
|
|
|
Preserved : 2012: 44(1-4), 2013: 45(1-4), 2014: 46(1-4), 2015: 47(1-4), 2016: 48(1-4), 2017: 49(1-4), 2018: 50(1-4), 2019: 51(1-4), 2020: 52(1-4), 2021: 53(1-4), 2022: 54(1-4), 2023: 55(1-4), 2024: 56(1-4), 2025: 57(1-4), 2026: 58(1-2)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 39 (1-3)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
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|
46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1, 2, 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1-2, 3-4); 54 (1 to 4); 55 (3, 4); 56 (1)
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