@book{8940,
	author = {Asociación Civil Ciencia Hoy},
	title = {Ciencia hoy},
	publisher = {Asociación Civil Ciencia Hoy},
	year = {1989},
	address = {Buenos Aires :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/revistas/R21823.jpg}
}