Soṿeṭish heymland.

1961; 1961 no.3; 1962; 1962 no.6; 1961 no.1, 1962 no.2, 1963 no.3; 1963; 1963 no.6; 1964; 1964 no.1-6; 1965 no.1-12; 1966 no.1,5,10-12; 1966 no.6; 1967 no.1-12; 1968 no.1-12; 1969 Jul-Dec; 1969 Jan-Jun; 1970 Jul-Dec; 1970 Jan-Jun; 1971 Jul-Dec; 1971 Jan-Jun; 1972 Jan-Jun; 1972 Jul-Dec; 1973 Jan-Jun; 1973 Jul-Dec; 1974 Jul-Dec; 1974 Jan-Jun; 1975 no.1-6; 1975 no.7-12; 1976 no.1-6; 1976 no.7-12; 1977 no.1-6; 1977 no.7-12; 1978:1-6; 1978 no.2-6; 1978 no.7-12; 1979 no.1-6; 1979 no.7-12; 1980 no.1-6; 1980 no.1-4; 1980 no.7-12; 1981 no.1-6; 1981 no.7-12; 1982:1-6; 1982:7-12; 1982 no.1-6; 1982 no.7-12; 1983:1-6; 1983:7-12; 1983 no.1-6; 1983 no.7-12; 1984:1-6; 1984:7-12; 1985:1-6; 1985:7-12; 1985 no.1-4; 1985 no.5-8; 1985 no.9-12; 1986:1-6; 1986:7-12; 1986 no.1-4; 1986 no.9-12; 1987:1-6; 1987:7-12; 1987 no.5-8; 1987 no.9-12; 1988:1-6; 1988:7-12; 1988 no.1-6; 1988 no.7-12; 1989:1-6; 1989 no.1-6; 1989 no.7-12; 1990:1-6; 1990:7-12; 1990 no.1-4; 1990 no.5-8; 1990 no.9-12; 1991:1-6; 1991:7-12; 1991 no.1-4; 1991 no.5-8; 1991,no.7-9; 1991 no.9-10; 1991,no.11-12; 1965no.1-6; 1965no.7-12; 1966no.1-6; 1967no.1-6; 1967no.7-12; 1969no.1-6; 1970no.1-6; 1970no.7-12; 1971no.1-6; 1971no.7-12; 1979no.1-3; 1979no.4-6; 1984no.1-6; 1984no.7-12; 1985no.1-6; 1985no.7-12; 1986no.1-6; 1986no.7-12; 1987no.1-6; 1987no.7-12; 1990no.1-6; 1990no.7-9,11-12; 1991no.1-6; 1991no.7-9,11/12; 1983 no.1-4 Suppl.; 1983 no.5-8 Suppl.; 1983 no.9-12 Suppl.; 1985 Suppl.#11; 1987 no.1-4 Suppl.; Suppl. 1988; Supplement 1989; 1990 Suppl.; 1991 Suppl. Incmpl