1964/1-13, 15, 17-23; 1965/1-7, 9-22, 24-27; 1966/1-3, 5, 6, 8-22; 1967/1-12; 1968/1-14, 16, 17; 1969/1-3, 6-11, 13-15, 17; 1970/2, 4; 1972/10-12; 1973/8, 11, 12; 1979/5, 6