1. Chirurgie der Lippen- und Gaumenspalten;Burian,1963
2. Funktionskieferorthopädie und der Mundvorhof als apparative Basis;Fränkel,1967
3. Triginometric Method of Analysis of the Upper Part of the Mouth Cavity;Oblak;J. max.-fac. Surg.,1975
4. New Concept of Morphogenesis of Clefts in the Lip, Alveolus, and Palate;Oblak;J. max.-fac. Surg.,1975
5. A triangular flap operation for the primary repair of unilateral clefts of the lip;Randall;Plast. reconstr. Surg.,1959