@book{423,
	author = {GEREZ GREISER, VICTOR. and CZITROM DE GEREZ, VERONICA.},
	title = {INTRODUCCION AL ANALISIS DE SISTEMAS E  INVESTIGACION DEOPERACIONES/ },
	publisher = {R.S.I.},
	year = {1978},
	series = {SER. METODOS PARA EL ANALISIS DE SISTEMAS  DE INGENIERIA},
	address = {MEXICO: }
}