1. A speculum contact lens for electroretinography;Burian;Electroenceph. clin. Neurophysiol.,1954
2. Vorteile der Linsen-Haftschale für die Registrierung des Elektroretinogramms;Echte;Acta ophthal., Kbh.,1962
3. Prostoj metalličeskoj elektrod dlja zapisy ERG učeloveˇka;Gurevitch;Sechenov. J. Physiol.,1957
4. The use of electroretinography in measuring the effect of vasodilatation;Henkes;Angiología,1951
5. Techniques of recording of the hitherto unrecordable ERG in the human eye;Henkes;Acta Fac. Med. Univ. Brunensis,1955