@book{69697,
	author = {Brock, Thomas D. and Madigan, Michael T.},
	title = {Microbiología},
	publisher = {Prentice Hall Hispanoamericana,},
	year = {1993},
	address = {México :},
	note = {Trad. de : Biology of microorganism 6 ed. en inglés de 1991}
}