ISSN Record 1935-990X

Preserved : 1 (1 to 12); 2 (1 to 12); 3 (1 to 12); 4 (1 to 12); 5 (1 to 12); 6 (1 to 12); 7 (1 to 12); 8 (1 to 12); 9 (1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 5, 6-7, 8 to 12); 57 (1 to 5, 6-7, 8 to 12); 58 (1 to 5, 6-7, 8 to 12); 59 (1 to 9); 60 (1 to 9); 61 (1 to 9); 62 (1 to 9); 63 (1 to 9); 64 (1 to 9); 65 (1 to 9); 66 (1 to 4 to 6 to 9); 67 (1 to 4 to 6 to 9); 68 (1 to 4 to 6 to 9); 69 (1 to 4 to 6 to 9); 70 (1 to 4 to 6 to 9); 71 (1 to 4 to 6 to 9); 72 (1 to 9); 73 (1 to 9); 74 (1 to 9); 75 (1 to 9); 76 (1 to 9); 77 (1 to 9); 78 (1 to 9); 79 (1 to 9); 80 (1 to 9); 81 (1, 2)

1 to 70

Preserved : 1946: 1(1-12), 1947: 2(1-12), 1948: 3(1-12), 1949: 4(1-12), 1950: 5(1-12), 1951: 6(1-12), 1952: 7(1-12), 1953: 8(1-12), 1954: 9(1-12), 1955: 10(1-12), 1956: 11(1-12), 1957: 12(1-12), 1958: 13(1-12), 1959: 14(1-12), 1960: 15(1-12), 1961: 16(1-12), 1962: 17(1-12), 1963: 18(1-12), 1964: 19(1-12), 1965: 20(1-12), 1966: 21(1-12), 1967: 22(1-12), 1968: 23(1-12), 1969: 24(1-12), 1970: 25(1-12), 1971: 26(1-12), 1972: 27(1-12), 1973: 28(1-12), 1974: 29(1-12), 1975: 30(1-12), 1976: 31(1-12), 1977: 32(1-12), 1978: 33(1-12), 1979: 34(1-12), 1980: 35(1-12), 1981: 36(1-12), 1982: 37(1-12), 1983: 38(1-12), 1984: 39(1-12), 1985: 40(1-12), 1986: 41(1-12), 1987: 42(1-12), 1988: 43(1-12), 1989: 44(1-12), 1990: 45(1-12), 1991: 46(1-12), 1992: 47(1-12), 1993: 48(1-12), 1994: 49(1-12), 1995: 50(1-12), 1996: 51(1-12), 1997: 52(1-12), 1998: 53(1-12), 1999: 54(1-12), 2000: 55(1-12), 2001: 56(1-12), 2002: 57(1-12), 2003: 58(1-12), 2004: 59(1-9), 2005: 60(1-9), 2006: 61(1-9), 2007: 62(1-9), 2008: 63(1-9), 2009: 64(1-9), 2010: 65(1-9), 2011: 66(1-5, 5, S, 6-9), 2012: 67(1-5, 5, S, 6-9), 2013: 68(1-5, 5, S, 6-9), 2014: 69(1-5, 5, S, 6-9), 2015: 70(1-5, 5, S, 6-9), 2016: 71(1-5, 5, S, 6-9), 2017: 72(1-9), 2018: 73(1-9), 2019: 74(1-9), 2020: 75(1-9), 2021: 76(1-9), 2022: 77(1-9), 2023: 78(1-9), 2024: 79(1-9), 2025: 80(1-9), 2026: 81(1-3)