@book{9692,
	author = {Sabogal Sabogal, Narciso},
	title = {Elementos de cálculo :},
	publisher = {Universidad del Tolima - Facultad de Ciencias Administrativas,},
	year = {[s.f].},
	address = {Ibagué :},
	edition = {Editore Rocio Santofimio, Sandra Amparo Campos, Edgar García García.}
}