00314cam a2200169 450000500170000024500390001702000050005610000340006104400050009525000050010004100080010530000050011350000050011883000050012326000090012808200070013720260711133850.0 aCálculo 2: de varias variablesb a aLarson, Ron Edwards, Bruce H. a a aspa a a v abc ab