@article {,
	title = {Estudio fotogr{\'a}fico del Cerro Querimita y su comparaci{\'o}n con artefactos l{\'\i}ticos},
	journal = {Centro de investigaci{\'o}nes arqueol{\'o}gicas},
	volume = {Publicacci},
	year = {1975},
	note = {cited by Giesso 2003 for the Querimita basalt source},
	author = {M{\'a}rquez Ostria, J. and Kussmaul, P. and H{\"o}rmann, P. K.}
}