@book{4428,
	author = {BEER, FERDINAND P. and JOHNSTON, E. RUSSELL.},
	title = {MECANICA DE MATERIALES/ },
	publisher = {MCGRAW-HILL},
	year = {1993},
	address = {BOGOTA ; MEXICO: },
	edition = {2},
	note = {INCLUYE INDICE.}
}