ISSN Record 2169-5067

to 39

37 to 49, 51, 60 to 69

37 to 46, 69

47 to 68

50, 52 to 60

Preserved : 21 (1); 22; 67; 68; 69

Preserved : 1974: 18(1-5), 1975: 19(1-4), 1976: 20(1-24), 1977: 21(1-6), 1978: 22(1), 1979: 23(1), 1980: 24(1), 1981: 25(1), 1982: 26(1-11), 1983: 27(1-13), 1984: 28(1-11), 1985: 29(1-12), 1986: 30(1-14), 1987: 31(1-12), 1988: 32(1-11, 13-19), 1989: 33(1-20), 1990: 34(1-19), 1991: 35(1-10, 12-20), 1992: 36(1-18), 1993: 37(1-19), 1994: 38(1-19), 1995: 39(1-21), 1996: 40(1-24), 1997: 41(1-2), 1998: 42(1-23), 1999: 43(1-24), 2000: 44(1-38), 2001: 45(1-27), 2002: 46(1-26), 2003: 47(1-20), 2004: 48(1-23), 2005: 49(1-26), 2006: 50(1-26), 2007: 51(1-27), 2008: 52(1-27), 2009: 53(1-27), 2010: 54(1-28), 2011: 55(1), 2012: 56(1), 2013: 57(1), 2014: 58(1), 2015: 59(1), 2016: 60(1), 2017: 61(1), 2018: 62(1)

Preserved : 18 (2 to 5); 19 (1 to 4); 20 (1 to 24); 21 (2 to 6); 22 (1); 23; 24; 25; 26 (2 to 11); 27 (1 to 13); 28 (1 to 11); 29 (1 to 12); 30 (1 to 14); 31 (1 to 12); 32 (1 to 11, 13 to 19); 33 (1 to 20); 34 (1 to 19); 35 (1 to 10, 12 to 20); 36 (1 to 18); 37 (1 to 19); 38 (1 to 19); 39 (1 to 21); 40 (1 to 24); 41 (1, 2); 42 (1 to 23); 43 (1 to 24); 44 (1 to 38); 45 (1 to 27); 46 (1 to 26); 47 (1 to 20); 48 (1 to 23); 49 (1 to 26); 50 (1 to 26); 51 (1 to 27); 52 (1 to 27); 53 (1 to 27); 54 (1 to 28); 55 (1); 56; 57; 58; 59; 60; 61; 62

54 (1 to 28); 55 (1); 56 (1); 57 (1); 58 (1); 59 (1); 60 (1); 61 (1); 62 (1); 63 (1); 64 (1); 65 (1); 66 (1); 67 (1)

Preserved : 60; 63; 64; 65; 66; 67; 68

Preserved : 58 (1), 59 (1), 60 (1), 61 (1), 62 (1)

Preserved : 18 (4); 21 (1); 25; 27 (12); 28 (3); 33 (4); 36 (14); 43 (1-24); 44 (1-13, 15, 17-22, 24-38); 45 (14); 46 (1-8, 10-17, 19, 21-26); 47 (12); 54 (1-17, 19-28); 56 (1); 57; 58; 59; 60; 61; 62