@book{33052,
	author = {Liddell Hart, Basil Henry, and Roldán Pérez, L. E.},
	title = {Estrategia de aproximaciâon indirecta :},
	publisher = {Editorial Rioplatense,},
	year = {1973.},
	address = {Buenos Aires :},
	note = {Tít. orig. : The strategy of indirect approach.}
}