00263nam a2200097Ia 4500008004100000040002900041050002200070100001500092245002400107260003400131230107s9999||||xx |||||||||||||| ||und||  cChuka University Library  aLB 1051 bR8 1963  aRuch, F. L 0aPsychology and life  aForesman and Co.bScoltc1963