00322nam a2200109Ia 4500008004100000040003800041100001400079245003900093260005000132300001500182653001500197211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aMarx, M H 0aSystems and theories in psychology  bMcGraw hill Book Company Inc.aNew Yorkc1973  axv, 626 p.  aPsychology