@book{4390,
	author = {Bixio, Alberto L. and Margenau, Henry},
	title = {El espacio de Eistein y el cielo de Van Gogh},
	publisher = {Gedisa},
	year = {1982},
	address = {Barcelona :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127533.jpg}
}