@booklet {1599,
	title = {Exploratory study of a sequential item test},
	year = {1962},
	address = {U.S. Army Personnel Research Office, Technical Research Note 129.},
	author = {Seeley, L. C. and Morton, M. A. and Anderson, A. A.}
}
@booklet {1320,
	title = {Construction of an experimental sequential item test (Research Memorandum 60-1)},
	year = {1960},
	address = {Washington DC: Personnel Research Branch, Department of the Army},
	author = {Bayroff, A. G. and Thomas, J. J and Anderson, A. A.}
}
