1. Uber Messung des Scielgrades und Dosirung der Schieloperation. Zentralblatt fr Prakische;Hirschberg, J.;Augenheilkunde
2. Strabismus measurement with the Hirschberg test;Griffin, JR, Boyer; F.M.;Optom Wkly,1974
3. Photographic calibration of the Hirschberg test;Brodie, S.E.;Invest Ophthalmol VisSci,1987
4. Calibration of the Hirschberg test photographs under clinical conditions;DeRespinis, P.A.; Naidu, E.; Brodie, S.E.;Ophthalmology,1989
5. Theoretical analysis of the Hirschberg test.jap;Uozato, H.; Loupe, D.; Guyton, D.L.;Rev Clin Ophthalmol,1987