00380nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010410000210012624500610014726000260020820497UR20220427164916.0061103|||||||||||||||||||||||||||||||| d  a(janium) 20486  a(janium)20485 4aQB46b.B4518 19761 aBergamini, David10aColeccion de la naturaleza de time lifeb : the universe  bTime Life Booksc1976