Soviet Union.

no.107-118 1959; no.119-130 1960; no.131-142 1961; no.143-154 1962; no.155-166 1963; no.167-178 1964; no.179-190 1965; no.191-202 1966; no.203-214 1967; no.215-237 1968-1969; no.250-273 1971-1972; no.274-285 1973; no.286-297 1974; no.298-309 1975; no.310-321 1976; no.322-333 1977; no.334-357 1978-1979; no.370-381 1981; no.382-393 1982; no.394-405 1983; no.406-417 1984; no.418-429 1985; no.430-441 1986; no.442-453 1987; 1988; no.466-477 1989; no.478-480 1990; no.482-189 1990; no.490-491 1991-1992