@inbook {1918,
	title = {Adaptive testing and the problem of classification},
	year = {1977},
	note = {28 MB}},
	address = {D. Weiss (Ed.), Applications of computerized adaptive testing (Research Report 77-1). Minneapolis MN: University of Minnesota, Department of Psychology, Psychometric Methods Program.},
	author = {Vale, C. D.}
}
