1980
January January 1980; 2 (1): 7 - 96	March March 1980; 2 (2): 5 - 76
May May 1980; 2 (3): 5 - 95	July July 1980; 2 (4): 5 - 95
September September 1980; 2 (5): 5 - 93	November November 1980; 2 (6): 5 - 91