@book{92161,
	author = {Liberman, Robert Paul. and Río, María José del.},
	title = {Iniciación al análisis y terapéutica de la conducta / },
	publisher = {[Fontanella, },
	year = {1976]},
	series = {Conducta humana},
	address = {Barcelona : },
	edition = {[2ª ed.].}
}