00447nam a2200133Ia 4500008004100000020001700041040003800058100004300096245009900139250000600238260003800244300001600282653001500298211228s9999    xx            000 0 und d  a0 47 99386 3  cJayakar Knowledge Resource Centre  aModifiacation Of Pathological Behavior 0aModifiacation of pathological behavior: experimental analyses of etiology and behavior therapy  a1  bGardner Press IncaNew Yorkc1979  axii, 588 p.  aPsychology