1. Depth perception in strabismus;D, I.Henson; D, Williams;Br J Ophthalmol,1980
2. Lateral displacement as a response cue in the Titmus stereo test;Cooper, J.; Warshowsky, J.;Am J Optom Physiol Opt,1977
3. Operant conditioning and assessment of stereopsis in children;Cooper, J.; Feldman, J.;Am J Optom Physiol Opt,1978
4. Random dot stereogram performances by strabismic, amblyopic and ocular pathology patients in an operant discrimination task;Cooper, J.; Feldman, J.;Am J Optom Physiol Opt,1978
5. Comparing stereoscopic performance of children using the Titmus. TNO, and Randot stereo tests;Cooper, J.; Feldman, J.; Medlin, D.;J Am Optom Assoc,1979