@book{7963,
	author = {Willard, Hobart H. and Dean, John A.},
	title = {Métodos instrumentales de análisis / Hobart H Willard, Lynne L. Merritt Jr. [y] John A. Dean},
	publisher = {CECSA},
	year = {1972},
	address = {México},
	edition = {9° ed.}
}