00297nam a2200109Ia 4500008004100000040003800041100001700079245001500096260004500111300001600156653001500172211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aGrinder, R E 0aAdolescenc  bJohn Wiely and Sons, IncaNew Yorkc1973  axii, 550 p.  aPsychology