@book{89669,
	author = {Sagan, Carl},
	title = {Los dragones del Edén},
	publisher = {Ediciones Grijalbo},
	year = {1980.},
	series = {Biología y psicología de hoy ; 3. Serie mayor},
	address = {Barcelona},
	edition = {1. ed.},
	note = {Translation of The dragons of Eden.}
}