@book{29892,
	author = {Bernal, John Desmond. and Capella, Juan Ramòn,},
	title = {Historia social de la ciencia. 1, La ciencia en la historia /},
	publisher = {Península,},
	year = {1968.},
	series = {Historia, ciencia, sociedad ;},
	address = {Barcelona :},
	edition = {2a ed.}
}