00817nam0-22003131--450-99000669965040332120051130114045.0000669965FED01000669965(Aleph)000669965FED0100066996520010426d1953----km-y0itay50------baspaMXy-------001yy<<El >>derecho socialLucio Mendieta y NuñezMexicoPorrua1953170 p.22 cm34412 rid.itaMendieta Y Nunez,Lucio249571ITUNINARICAUNIMARCBK990006699650403321II A 519351FSPBCXXI C 99046047FGBCFSPBCFGBCDerecho social616176UNINA