00305nam a2200097Ia 4500008004100000082001400041100003600055245007400091264003200165300001000197200527s9999||||xx |||||||||||||| ||und||  a155 ANA F  aAnastasi, Anne , Foley, John P. 0aDifferential Psychology: Individual and Group Differences in Behavior  bThe Macmillan Companyc1949  a894p.