@book{41487,
	author = {Tortello, M. Franco and Congreso Geológico Argentino},
	title = {Geragnostus Nesossii Harrington y Leanza, 1957 (Trilobita, Agnostida) en el Tremadociano Superior del Noroeste Argentino.},
	publisher = {[s.n.],},
	year = {[19--].},
	address = {[s.l.]:},
	note = {Relevamiento: 1996.}
}