@inbook {1970,
	title = {Adaptive Testing Applied to Hierarchically Structured Objectives-Based Programs},
	year = {1977},
	address = {D. J. Weiss (Ed.), Proceedings of the 1977 Computerized Adaptive Testing Conference. Minneapolis MN: University of Minnesota, Department of Psychology, Psychometric Methods Program},
	author = {Hambleton, R. K. and Eignor, D. R.}
}
