@book{269935,
	author = {Lightman, Alan P., and Sarret, Josep,},
	title = {El universo accidental :},
	publisher = {Biblioteca Buridán,},
	year = {[2015]},
	address = {[Vilassar de Dalt, Barcelona] :},
	url = {https://www.digitaliapublishing.com/a/103942/}
}