1. The bony nasopharynx;Bergland;Acta Odontol. Scand.,1963
2. The face in profile;Björk,1947
3. Facial development and tooth eruption;Björk;Am. J. Orthod.,1972
4. Measurement on radiographs;Björk;J. Dent. Res.,1962
5. Skull of the Australian aboriginal;Brown,1967