00329cam a2200169   450000500170000024500340001702000050005110000540005604400050011025000050011504100080012030000050012850000050013383000050013826000090014308200070015220260711133856.0  aInvestigación de Mercadosb  a  aHair, Joseph F. Bush, Robert P. Ortinau, David J.  a  a  aspa  a  a  v  abc  ab