00444nam a22001577a 4500003000400000008004100004082001800045100001700063245004600080260006400126300001100190650002100201650001500222650002200237700002700259OSt220531b        |||||||| |||| 00| 0 eng d  a301.15 bK96T  aKrech, David  aTheory and problems of social psychology   aNew Delhi bTata McGraw-Hill Publishing Company Ltd. c1948  a639 p.  aSocial sciences   aSociology   aSocial psychology  aCrutchfield, Richard S