January, 1970
January (2), 1970
January (3), 1970
February, 1970
March, 1970
September, 1970
September (2), 1970
November, 1970
December, 1970
February, 1971
February (2), 1971
June, 1971
October, 1971
December, 1971
February, 1972
February (2), 1972
March (2), 1972
March, 1972
June . 1972
July, 1972
August, 1972
October, 1972
November, 1972
December, 1972
December (2), 1972
March, 1973
April, 1973
April (2), 1973
May, 1973
July, 1973
January . 1974
February, 1974
February (2), 1974
February (3), 1974
March, 1974
March (2), 1974
May, 1974
August, 1974
October. 1974
December. 1974
January. 1975
February. 1975
April, 1975
May, 1975
May (2). 1975
June. 1975
June(2), 1975
September. 1975
November, 1975
December, 1975
January, 1976
February, 1976
March, 1976
April, 1976
May, 1976
May, 1977
December. 1978
September, 1979
September (2), 1979