@article {,
	title = {Cronologia y secuencia de la cer{\'a}mica de Chijra, Valle de Colca},
	journal = {Gaceta Arqueol{\'o}gica Andina},
	volume = {18/19},
	year = {1990},
	pages = {41-57},
	author = {Malpass, Michael and Vera Cruz, Pablo de la}
}