ISSN Record 2107-0180

Preserved : 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1, 2, 3-4); 26 (1-2, 3, 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1, 2, 3-4); 35 (1-2, 3-4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1)

37

38 to 44

22 to 51

Preserved : 1976: 1(3), 1977: 2(3-4), 1978: 3(1, 3), 1979: 4(1)

Preserved : 1980: 5(3), 1981: 6(1, 4), 1982: 7(2)

Preserved : 1983: 8(4), 1984: 9(1-3), 1985: 10(3-4)

Preserved : 1988: 13(3-4), 1989: 14(3-4), 1990: 15(2-4), 1991: 16(2-4), 1992: 17(1-2, 4), 1993: 18(3-4), 1994: 19(2-4), 1995: 20(2-4), 1996: 21(1-4), 1997: 22(1-4), 1998: 23(1-4), 1999: 24(1-4), 2000: 25(1-4), 2001: 26(1-4), 2002: 27(1-4), 2003: 28(1-4), 2004: 29(1-4), 2005: 30(1-4), 2006: 31(1-4), 2007: 32(1-4), 2008: 33(1-4), 2009: 34(1-4), 2010/2011: 35(1-4), 2011: 36(1-4), 2012: 37(1-4), 2013: 38(1-4), 2014: 39(1-4), 2015: 40(1-4), 2016: 41(1-6), 2017: 42(1-6), 2018: 43(1-4, 6), 2019: 44(1-6), 2019/2020: 45(1-6), 2021: 46(1-6), 2022: 47(1-6), 2023: 48(2-6), 2024: 49(1-6), 2025: 50(1-6), 2026: 51(1-2)

Preserved : 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 45 (1 to 6); 49 (1 to 6)

Preserved : 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 45 (1 to 6); 49 (1 to 6)

Preserved : 26 (4); 28; 30 (1-2); 32; 35 (3-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6)