@book{131539,
	author = {Rosado-Alberio, Jaime.},
	title = {Biología},
	editor = {Universidad de Puerto Rico, División de Impresos)},
	publisher = {s.n.},
	year = {[1975]-},
	address = {Río Piedras, Puerto Rico},
	edition = {Edicioń experimental.}
}