00413nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000250010410000320012924500740016126000320023522413UR20220427173743.0061103|||||||||||||||||||||||||||||||| d  a(janium) 22402  a(janium)22401 4aQ121b.G36 1985 v.181 aGutierrez Ducons, Juan Luis10aGran enciclopedia cientifica culturalb : quimica superior : organica  bOrganizacion Culturalc1985