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1970 vol. 17, no. 1 vol. 17, no. 2 vol. 17, no. 3 vol. 17, no. 4

1971 vol. 18, no. 1 vol. 18, no. 2 vol. 18, no. 3 vol. 18, no. 4

1972 vol. 19, no. 1 vol. 19, no. 2 vol. 19, no. 3 vol. 19, no. 4

1973 vol. 20, no. 1 vol. 20, no. 2 vol. 20, no. 3 vol. 20, no. 4

1974 vol. 21, no. 1 vol. 21, no. 2 vol. 21, no. 3 vol. 21, no. 4

1975 vol. 22, вып. 1 vol. 22, № 2 vol. 22, no. 3 vol. 22, no. 4

1976 vol. 23, no. 1 vol. 23, no. 2 vol. 23, no. 3 vol. 23, no. 4