@book{206131,
	author = {Gutiérrez Viñuales, Martín and Gutiérrez Viñuelas, Rodrigo},
	title = {Marcas de canteros en Chumbivilcas (Perú)},
	publisher = {Centre International de Recherches Glyptographiques},
	year = {1982},
	address = {Bruxelles},
	note = {Separata del Colloque International de Glyptographie Zaragoza.}
}