1. Eye Operation under the Microscope;Harms,1966
2. State of the intrascleral passages of aqueous humor outflow in glaucoma;Larina;Vest. Oftal.,1967
3. Indications for and results of incision of the iridocorneal angle (goniotomy, goniotrabeculotomy or trabeculotomy);Bietti;Vest. Oftal.,1968
4. A new technique for opening the canal of Schlemm;Smith;Brit. J. Ophth.,1960
5. Cairns, J. E.: Trabeculectomy. II Internat. Symposium microsurgery of eye. Bürgenstock, 1968, in print.