@book{71478,
	author = {Arriaga Weiss, Stefan. and Contreras Sánchez, Wilfrido.},
	title = {El manatí (Trichechus manatus) en Tabasco},
	publisher = {Universidad Juárez Autónoma de Tabasco,},
	year = {1993},
	series = {Informe técnico},
	address = {Villahermosa, Tab. :}
}