@book{143279,
	author = {Mañas Viniegra, Luis. and Fernández Frías, María Teresa,},
	title = {Cuaderno del alumno.},
	publisher = {Editorial CEP S.L.,},
	year = {2014.},
	address = {Madrid :},
	note = {Incluye índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/50921}
}