00399nam a2200097Ia 4500008004100000050002200041100002100063245006400084247008400148264006900232230508s1976    xx            000 0 und d  aLB 1051 H545 19761 aHergenhahn, B.R.13aAn Introduction to theories of learning /cHergenhahn, B.R.  aAn Introduction to theories of learning_LB 1051 H545 1976_Hergenhahn, B.R._1976  a[Place of publication not identified] : bPrentice Hall, c1976.