00285nam a2200097Ia 4500008004100000082001800041100003400059245005500093264002900148300001000177200527s9999||||xx |||||||||||||| ||und||  a150.724 POS E  aPostman, Leo , Egan, James P. 0aExperimental Psychology: A Methodological Approach  bKalyani Publishersc1949  a520p.