ISSN Record 1558-0644

Preserved : GE-22 (1 to 4, 6); GE-21 (1 to 4); GE-18 (1 to 4); GE-23 (1 to 6); PP (99); GE-20 (1 to 4); GE-25 (1 to 6); GE-24 (1 to 6); GE-19 (1 to 4); 18 (3); 20 (1); 26 (2 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 4 to 6); 37 (1_Part_1, 2 to 4 to 6); 38 (1_Part_1, 2_Part_1, 3, 4 to 6); 39 (1 to 12); 40 (1 to 12); 41 (1 to 3 to 5 to 7, 8, 9_Part_2, 10_Part_1, 11_Part_1, 12_Part_2); 42 (1 to 12); 43 (1 to 12); 44 (1 to 6 to 8, 9, 10_Part_2, 11_Part_1, 12); 45 (1 to 4, 7_Part_1, 8 to 10, 11_Part_1, 12_Part_2); 46 (1 to 3 to 5 to 9, 10_Part_1, 11_Part_2, 12); 47 (1_Part_1, 2 to 6, 7_Part_1, 8_Part_2, 9 to 11, 12_Part_2); 48 (1_Part_1, 2, 3_Part_1, 4_Part_2, 5 to 12); 49 (1_Part_2, 2 to 5 to 7 to 9, 10_Part_1, 11_Part_2, 12_Part_1); 50 (1 to 4 to 6, 8, 9, 10_Part_1, 11_Part_1, 12); 51 (1_Part_1, 2, 3_Part_1, 5_Part_1, 6_Part_2, 7_Part_1, 8 to 12); 52 (1_Part_1, 2 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 12); 60 (none); 64

Preserved : 1980: 18(3), 1980: GE-18(1-2, 4), 1981: GE-19(1-4), 1982: 20(1), 1982: GE-20(1-4), 1983: GE-21(1-4), 1984: GE-22(1-4), 1985: GE-23(1-6), 1986: GE-24(1-6), 1987: GE-25(1-6), 1988: 26(1-6), 1989: 27(1-6), 1990: 28(1-6), 1991: 29(1-6), 1992: 30(1-6), 1993: 31(1-6), 1994: 32(1-6), 1995: 33(1-6), 1996: 34(1-6), 1997: 35(1-6), 1998: 36(1-4, 5, Part 1, 5, Part 2, 6), 1999: 37(1, Part 1, 1, Part 2, 2, Part 1, 2, Part 2, 3, Part 1, 3, Part 2, 4, 5, Part 1, 5, Part 2, 6), 2000: 38(1, Part 1, 1, Part 2, 2, Part 1, 2, Part 2, 3, 4, Part 1, 4, Part 2, 5, Part 1, 5, Part 2, 6), 2001: 39(1-12), 2002: 40(1-12), 2003: 41(1-3, 4, Part 1, 4, Part 2, 5, Part 1, 5, Part 2, 6, Part 1, 6, Part 2, 7, Part 1, 7, Part 2, 8, 9, Part 1, 9, Part 2, 10, Part 1, 10, Part 2, 11, Part 1, 11, Part 2, 12, Part 1, 12, Part 2), 2004: 42(1-12), 2005: 43(1-12), 2006: 44(1-6, 7, Part 1, 7, Part 2, 8-9, 10, Part 1, 10, Part 2, 11, Part 1, 11, Part 2, 12), 2007: 45(1-4, 5, Part 1, 5, Part 2, 6, Part 1, 6, Part 2, 7, Part 1, 7, Part 2, 8-10, 11, Part 1, 11, Part 2, 12, Part 1, 12, Part 2), 2008: 46(1-3, 4, Part 1, 4, Part 2, 5-9, 10, Part 1, 10, Part 2, 11, Part 1, 11, Part 2, 12), 2009: 47(1, Part 1, 1, Part 2, 2-6, 7, Part 1, 7, Part 2, 8, Part 1, 8, Part 2, 9-11, 12, Part 1, 12, Part 2), 2010: 48(1, Part 1, 1, Part 2, 2, 3, Part 1, 3, Part 2, 4, Part 1, 4, Part 2, 5-12), 2011: 49(1, Part 1, 1, Part 2, 2-5, 6, Part 1, 6, Part 2, 7-9, 10, Part 1, 10, Part 2, 11, Part 1, 11, Part 2, 12, Part 1, 12, Part 2), 2012: 50(2-4, 5, Part 1, 5, Part 2, 6, 7, Part 1, 7, Part 2, 8-9, 10, Part 1, 10, Part 2, 11, Part 1, 11, Part 2, 12), 2013: 51(2, 8-12), 2014: 52(1, Part 1, 1, Part 2, 2-12), 2015: 53(1-12), 2016: 54(1-12), 2017: 55(1-12), 2018: 56(1-12), 2019: 57(1-12), 2020: 58(1-12), 2021: 59(1-12), 2022: 60, 2023: 61, 2024: 62, 2025: 63, 2026: 64, 2025: PP(99)