@book{2503,
	author = {Díaz Velásquez, Oscar Hernando and Morales Barón, Leonor},
	title = {Importancia del Boophilus Microplus en la Transmisión del Tripanosoma Vivax a Bovinos /},
	publisher = {Unillanos,},
	year = {1990.},
	address = {Villavicencio :}
}