@mastersthesis {,
	title = {Technologies prehispaniques de l{\textquoteright}obsidienne: Les centres de production de la r{\'e}gion de Zin{\'a}paro-Prieto},
	volume = {Unpublishe},
	year = {1991},
	school = {Universit{\'e} de Paris I},
	address = {Paris},
	author = {Darras, V{\'e}ronique}
}