Circulation

1991. V. 83 № 1,2,3,4

1990. V. 82 № 1,6

1991. V. 83 № 1,2,3,4

1988. V. 78 № 1,2,3, 3Pt.1, 3Pt.2, 4,5, 5Pt.1, 5Pt.2, 6

          V. 77 № 1,2,3,4,5,6

1987. V. 76 № 1, 1Pt.2, 2,3,4,5,6

          V. 75 № 1, 1Pt.2, 2,3,4, 4Pt.2, 5, 6Pt.2