@book{2321,
	author = {Ortegón Forero, Hernán and Neira Rodríguez, Rafael},
	title = {Prevalencia de Leucosis Bovina en Hatos Lecheros del Município de Villavicencio /},
	publisher = {Unillanos,},
	year = {1983.},
	address = {Villavicencio :}
}