References
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- Knudsen P. A. Ventriklernes Slørrelsesforhold i Anatomisk Normale Hjerner fra Voksne Mennesker. Thesis, Copenhagen 1958; 63
- Morelli G. Über Kaudruck, Wien Vjschr. Zalmheilk. H. 4 (cited from H. Schröder. Lehrbuch tier technischen Zahnheilkunde 1920; Bd. 1: 283–285, Lief. 2 Berlin 1927)
- Tylman S. D., Tylman S. G. Theory and Practice of Crown and Bridge Prosthodontics, 4. ed. The C. V. Mosby Company, St. Louis 1960; 161–162