000 002670000a22001210004500
245 _aSocial psychology and history
100 _aPorshnev, B.
260 _aMoscow
_bProgress Publ.
_c1970
300 _a195 p.
080 _a301.196
_bP6
041 _aEN
942 _cBK
999 _c96901
_d96901