@booklet {1377,
	title = {Computer assistance for individualizing measurement},
	year = {1971},
	address = {Pittsburgh PA: University of Pittsburgh R and D Center},
	author = {Ferguson, R. L.}
}
@article {543,
	title = {Computer assistance for individualizing measurement},
	journal = {Computers and Automation},
	volume = {March 1970},
	year = {1970},
	pages = {19},
	author = {Ferguson, R. L.}
}
@booklet {1376,
	title = {Computer assistance for individualizing measurement},
	year = {1970},
	address = {Pittsburgh PA: University of Pittsburgh, Learning Research and Development Center},
	author = {Ferguson, R. L.}
}
@booklet {1375,
	title = {Computer-assisted criterion-referenced measurement (Working Paper No 49)},
	year = {1969},
	address = {Pittsburgh PA: University of Pittsburgh, Learning and Research Development Center. (ERIC No. ED 037 089)},
	author = {Ferguson, R. L.}
}
