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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 47 (3, 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1, 3, 4); 55 (1 to 4); 56 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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9 to 50
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.32:2-4;vol.33:1-4;vol.34:1-4;vol.35:1-4;vol.36:1-2,3-4;vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-2,3-4;vol.42:1-4;vol.43:1-2,3-4;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.52:1-4;vol.53:1-4;vol.54:1-4;vol.55:1-4
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Portico
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Preserved
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2026-04-23
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Preserved : 1984/1985: 20(1-4), 1985/1986: 21(1-4), 1986/1987: 22(1-4), 1987/1988: 23(1-4), 1988/1989: 24(1-4), 1989/1990: 25(1-4), 1990/1991: 26(1-4), 1991/1992: 27(1-4), 1992/1993: 28(1-4), 1993/1994: 29(1-4), 1994/1995: 30(1-4), 1995/1996: 31(1-4), 1996/1997: 32(1-4), 1997/1998: 33(1-4), 1998/1999: 34(1-4), 1999/2000: 35(1-4), 2000/2001: 36(1-2), 2001/2002: 37(1-4), 2002/2003: 38(1-4), 2003/2004: 39(1-4), 2004/2005: 40(1-4), 2005/2006: 41(1-2), 2006/2007: 42(1-4), 2007/2008: 43(1-4), 2008/2009: 44(1-4), 2010: 45(1-4), 2011: 46(1-4), 2012: 47(1-4), 2013: 48(1-4), 2014: 49(1-4), 2015: 50(1-4), 2016: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2019: 54(1-4), 2020: 55(1-4), 2021: 56(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-27
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26 to 56
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