@book{30415,
	author = {Balan, Jorge},
	title = {Las historias de vida en ciencias sociales :},
	publisher = {Ediciones Nueva Visión,},
	year = {1974.},
	series = {Cuadernos de Investigación Social / M. Mora y Araujo},
	address = {Buenos Aires :},
	edition = {1a ed.}
}