@book{40510,
	author = {Parada Guevara, Sandra Liliana and Romero Novoa, Jorge Alessandry},
	title = {Muestreos Ambientales :},
	publisher = {Universidad de los Llanos,},
	year = {2013.},
	address = {Villavicencio :},
	note = {Incluye Literatura Consultada.}
}