@book{175589,
	author = {Medina Precioso, Juan Ramón.},
	title = {Biología hoy},
	publisher = {Aula Abierta Salvat},
	year = {c1981.},
	series = {Coleccion temas clave},
	address = {Madrid},
	note = {Cover title: Biología hoy : el hombre ante un mundo en crisis.}
}