@booklet {1443,
	title = {The development and evaluation of several programmed testing methods (Research Bulletin 68-5)},
	year = {1968},
	note = {$\#$LI68-05},
	address = {Princeton NJ: Educational Testing Service},
	author = {Linn, R. L. and Rock, D. A. and Cleary, T. A.}
}
