00322nam a2200133Ia 4500082001600000245003900016260003100055300001000086650002200096650001500118650001600133650001800149700002100167  a302.15 ROL; 0aRole theory: concepts and research  aNew YorkbJohn Wileyc1966  a453p.  aSocial psychology  aPsychology  aSocial role  aRole conflict  aBiddle, Bruce J.