1980
January January 1980; 13 (1): 6 - 61	February February 1980; 13 (2): 58 - 114
March March 1980; 13 (3): 115 - 172	April April 1980; 13 (4): 5 - 60
May May 1980; 13 (5): 4 - 65	October October 1980; 13 (8): 412 - 467
November November 1980; 13 (9): 4 - 63	December December 1980; 13 (10): 3 - 54

1980 1980; 13 (6): 7 - 66 1980; 13 (7): 7 - 64