@book{118489,
	author = {Pérez de Ayala, José Luis  and González, Eusebio.},
	title = {Curso de derecho tributario / },
	publisher = {Editorial de Derecho Financiero, },
	year = {1978.},
	series = {Tratados, de Derecho Financiero y de Hacienda Pública ; },
	address = {Madrid : },
	edition = {2ª ed.}
}