@book{2561,
	author = {Hortua Neira, Héctor Alcides and Vega Vargas, Luís},
	title = {Estudio Epidedemiológico de Tripanosoma en el Municipio de Cravonorte (Arauca) /},
	publisher = {Unillanos,},
	year = {1992.},
	address = {Villavicencio :}
}