@book{231559,
	author = {Sánchez Guillén, Joaquín.},
	title = {L.E. Boltzmann :},
	publisher = {Prensas Universitarias de Zaragoza,},
	year = {2009.},
	series = {El Aleph ;},
	address = {Zaragoza :},
	edition = {1a. ed.},
	url = {https://www.digitaliapublishing.com/a/6338/}
}