Izvestiya.

v.1 1965; v.2 1966; v.3 1967; no.4 1968; v.5 1969; v.6 1970; v.7 1971; v.8 1972; v.9 1973; v.10 1974; v.11 1975 Jan-Jun; v.11 1975 Jul-Dec; v.12 1976 Jan-Jun; v.12 1976 Jul-Dec; v.12 no.12 1977; v.13 1977 Jan-Jun; v.13 1977 Jul-Dec; v.14 no.1-6 1978; v.14 no.7-12 1978; v.15 no.1-6 1979; v.15 no.7-12 1979; v.16 no.1-6 1980; v.16 no.7-12 1980; v.17 no.1-6 1981; v.17 no.7-12 1981; v.18 no.1-6 1982; v.18 no.7-12 1982; v.19 no.1-6 1983; v.19 no.7-12 1983; v.20 no.1-6 1984; v.20 no.7-12 1984; v.21 no.1-6 1985; v.21 no.7-12 1985; v.22 no.1-6 1986; v.22 no.7-12 1986; v.23 no.1-6 1987; v.24 no.1-6 1988; v.24 no.7-12 1989; v.25 no.1-6 1989/1990; v.25 no.7-12 1990; v.26 no.1-6 1990; v.26 no.7-12 1990; v.27 no.1-6 1991; v.27 no.7-12 1992; v.28 no.1-6 1993; v.28 no.7-12 1993; v.29 no.5-6 1993; v.29 no.1-4 1993-1994; v.30 no.1-3 1994; v.30 no.4-6 1994; v.31 1995