@book{32113,
	author = {Gigch, Jhon P. Van.},
	title = {Teoria general de sistemas /},
	publisher = {Trillas,},
	year = {2006.},
	series = {Biblioteca de ciencias de la Administración},
	address = {Mexico :},
	edition = {3a ed.},
	note = {Titulo original: Applied general systems theory.}
}