@article { ,
	title = {El almacenamiento de la electricidad},
	year = {2015},
	month = {17/02/2015},
	publisher = {Fundación gas Natural fenosa},
	address = {Madrid, Spain},
	keywords = {research; MTM2013-48462-C2-1; electricity storage systems},
	author = {F.-Javier Heredia}
}

