1. Apparative Messung der durch die Torquebiegungen am Palatinalbogen entstehenden Drehmomente und der durch die Torqueapplikation entstehenden expansiven Kraft;Baldini;Inf. Orthod. Kieferorthop.,1981
2. Precision adjustment of the transpalatal lingual arch;Burstone;Am. J. Orthod.,1981
3. Centers of rotation within the periodontal space;Christiansen;Am. J. Orthod.,1969
4. Geometry and mechanics as related to tooth movement studied by means of two-dimensional model;Haak;J. Am. Dent. Assoc.,1963
5. Prinzipien extraoraler Kräfte;Teuscher;Inf. Orthod. Kieferorthop.,1976