1. Beck H: Fehler und Gefahren. In: Die Marknagelung und andere intramedullaere Osteosynthesen, ed by R Maatz, W Lentz, W Arens, H Beck, Stuttgart, FK Schattauer, 1983
2. Koch JC: The laws of bone architecture. Am J Anat 21:177–298, 1917
3. Kiintscher G: The Practice of Intramedullary Nailing. Springfield, CC Thomas, 1967
4. Martens M, Frankel VH, Burstein AH: Ultimate properties of intramedullary nails. Injury 4:18–24, 1973
5. Mears DC: Materials and Orthopaedic Surgery. Baltimore, The Williams and Wilkins Co., 1979