@book{125573,
	author = {Manning, Sideney A.},
	title = {Elaboración de escalas de actitudes y psicofísica clásica},
	publisher = {Editorial Trillas},
	year = {1971.},
	series = {Biblioteca tecnica de psicologia.},
	address = {México},
	note = {Translation of : Classical psychophysics and scaling.}
}