@book{4390,
	author = {Bernal, John Desmond,  and Capella, Juan Ramón, },
	title = {Historia social de la ciencia / },
	publisher = {Ediciones Provenza, },
	year = {1976.},
	address = {Barcelona : },
	edition = {4a. ed.},
	note = {Incluye bibliografia e indice.}
}