@booklet {1319, title = {An exploratory study of branching tests (Technical Research Note 188)}, year = {1967}, address = {Washington DC: US Army Behavioral Science Research Laboratory. (NTIS No. AD 655263)}, author = {Bayroff, A. G. and Seeley, L. C.} } @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.} }