@book{21165,
	author = {Ebel, Robert L.},
	title = {Measuring educational achievement /},
	publisher = {Prentice-Hall},
	year = {[1965]},
	series = {Prentice-Hall education series},
	address = {Englewood Cliffs, N.J.,},
	note = {Second ed. published in 1972 under title: Essentials of educational measurement.}
}