1987
January January ; 34 (1) : 2 - 106	March March ; 34 (2) : 107 - 222	May May ; 34 (3) : 55 - 332
July July ; 34 (4) : 333 - 432	September September ; 34 (5) : 437 - 542	November November ; 34 (6) : 545 - 658