00371nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000210010410000220012524500370014725000110018426000180019533266UR20220427191208.0061105|||||||||||||||||||||||||||||||| d  a(janium) 33255  a(janium)33253 4aHM133b.N35 19901 aNapier, Rodney W.10aGruposb : teoria y experiencia,  a3a ed.  bTrillasc1990