@book{41830,
	author = {Aceñolaza, Guillermo F. and Albanesi, Guillermo L. and Instituto Superior de Correlación Geológica},
	title = {Biostratigraphical and sedimentological aspects of the Cambro-Ordovician strata at the Angosto de Chucalezna :},
	note = {Relevamiento: 2003.}
}