00270nam a2200109 a 450000500170000002000140001708200140003110000190004524500220006426000530008630000210013920251203091612.0  a013810067  a302,bsea  aSears, David,O  aSocial psychology  aLoNew Delhion: Prentice-Hall Internationalc1988  axii, 644p.c23cm