@book{2395,
	author = {Lozada Monroy, Hernando and Rojas Bustos, Hector Oswaldo},
	title = {Principales Causas de Venta de Hembras Bovinas en el Mercado de Villavicencio /},
	publisher = {Unillanos,},
	year = {1987.},
	address = {Villavicencio :}
}