@book{60811,
	author = {Robertis, Eduardo D. P. de. and Nowinski, Wiktor W.},
	title = {Citología general},
	publisher = {El Ateneo,},
	year = {1963},
	address = {Buenos Aires :},
	note = {Trad. de la 5 ed. en ingles de 1963?}
}