@book{13560,
	author = {DEMANA, FRANKLIN D., AUT.},
	title = {PRECALCULO : },
	publisher = {PEARSON EDUCACION},
	year = {2007},
	address = {MEXICO: },
	edition = {7},
	note = {TRADUCCION AUTORIZADA DE LA EDICION EN IDIOMA INGLES, TITULADA PRECALCULUS : GRAPHICAL, NUMERICAL, ALGEBRAIC 7a. ED., POR FRANKLIN D. DEMANA ... [ET AL.]}
}