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1972
January JANUARY/FEBRUARY ; 22 (1): 2 - 72	March MARCH/APRIL ; 22 (2): 74 - 129	May MAY/JUNE ; 22 (3): 138 - 200
July JULY/AUGUST ; 22 (4): 202 - 272	September SEPTEMBER/OCTOBER ; 22 (5): 274 - 336	November NOVEMBER/DECEMBER ; 22 (6): 338 - 387