00325nam a2200121Ia 4500008004100000040003800041100002000079245002100099250000600120260004500126300001700171653001500188211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aYates, Aubrey J 0aBehavior therapy  a1  bJohn Wiely and Sons, IncaNew Yorkc1970  axiii, 445 p.  aPsychology