00438nam a22001817a 450000100060000000300100000600500170001604000140003300800410004702000180008810000200010624500260012626000330015230000110018549000180019665000140021465000280022819654MX-SIABUC20260702205208.0  aMX-SIABUC050624s2002    sp x   j            spa d  a84-344-1508-940aDworkin, Ronald0 aLos derechos en serio4 aBarcelona :bEditorial Ariel4 a508 p.  aAriel Derecho  a1.DERECHO  a2.DERECHOz-FILOSOFÍA