00297nam a2200133 a 4500041000800000082001600008100001800024245002700042260003000069300001000099650001500109650001200124700002700136  aspa  a304bB18r35  aBaud, Francis  aLas relaciones humanas  aBarcelonabVergarac1957?  a173 p  aSOCIOLOGIA  aENSAYOS  aBofill, Rafael María