000 00280nam a2200097Ia 4500
008 201216s9999 xx 000 0 und d
100 _aJung, John
245 0 _aUnderstanding Human Motivation : A Cognitive Approach
260 _aNew York
_bMacmillan Publishing Co.
_c1978
300 _a518
999 _c6030
_d6030