00319nam a2200109Ia 4500008004100000040003800041100002800079245002100107260004000128300001800168653002300186211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aLudwig Von, Bertalanffy 0aProblems of life  bHarper and BrothersaNew Yorkc1962  axiii, 216p p.  aPhilosophy of life