@book{41376,
	author = {EBEL, Robert L. and FRISBIE, David},
	title = {Essentials of educational measurement /},
	publisher = {Prentice-Hall,},
	year = {c. 1986.},
	address = {Englewood Cliffs, NJ :},
	edition = {4th ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=41376}
}