Scholars Portal
1992-2022
Preserved
2026-03-19
Preserved : 17 (1); 18; 19; 20; 21 (2); 22 (1, 2); 23 (1, 2); 24 (1 to 3); 25 (1, 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1, 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3)
Technische Informationsbibliothek
1997-2020
Preserved
2026-01-13
vol.22:1-2;vol.23:1-2;vol.24:1-3;vol.25:1-1,3;vol.26:1-3;vol.27:1-3;vol.28:1-3;vol.29:1-3;vol.30:1-3;vol.31:1-3;vol.32:1-3;vol.33:1-3;vol.34:1-3;vol.35:1-3;vol.36:1-3;vol.37:1-3;vol.38:1-3;vol.39:1-3;vol.40:1-3;vol.41:1-3;vol.42:1-3;vol.43:1-3;vol.44:1-3;vol.45:1-3
CLOCKSS Archive
1992-2022
Preserved
2026-04-27
17 to 47
Portico
2001-2022
Preserved
2026-04-23
Preserved : 2001: 26(1-3), 2002: 27(1-3), 2003: 28(1-3), 2004: 29(1-3), 2005: 30(1-3), 2006: 31(1-3), 2007: 32(1-3), 2008: 33(1-3), 2009: 34(1-3), 2010: 35(1-3), 2011: 36(1-3), 2012: 37(1-3), 2013: 38(1-3), 2014: 39(1-3), 2015: 40(1-3), 2016: 41(1-3), 2017: 42(1-3), 2018: 43(1-3), 2019: 44(1-3), 2020: 45(1-3), 2021: 46(1-3), 2022: 47(1-3)
LOCKSS Archive
1990-2024
Preserved
2026-04-27
LOCKSS Archive
2025-2025
In Progress
2026-04-27
Portico
1990-2025
Preserved
2026-04-23
Preserved : 1990: 15(1), 1991: 16(1), 1992: 17(1), 1993: 18(1), 1994: 19(1), 1995: 20(1), 1996: 21(1-2), 1997: 22(1-2), 1998: 23(1-2), 1999: 24(1-3), 2000: 25(1-3), 2001: 26(1-3), 2002: 27(1-3), 2003: 28(1-3), 2004: 29(1-3), 2005: 30(1-3), 2006: 31(1-3), 2007: 32(1-3), 2008: 33(1-3), 2009: 34(1-3), 2010: 35(1-3), 2011: 36(1-3), 2012: 37(1-3), 2013: 38(1-3), 2014: 39(1-3), 2015: 40(1-3), 2016: 41(1-3), 2017: 42(1-3), 2018: 43(1-3), 2019: 44(1-3), 2020: 45(1-3), 2021: 46(1-3), 2022: 47(1-3), 2023: 48(1-3), 2024: 49(1-3), 2025: 50(1-3)
National Library of the Netherlands
2006-2007
Preserved
2024-12-15
Preserved : 31 (1-3); 32 (1-3)