1. Abele E, Kulok M, Tschannerl M (2006) Rationalisierungspotential erkennen und umsetzen, Tagungsband 3 3rd HSC/HPC-Praktikerseminar “HSC/HPC-Praktikerseminar: Die Bohrarbeitung im Produktionsprozeß” [How to recognize and realize improvements in productivity. 3rd HSC- and HPC-seminar for practitioners: the drilling operation as part of the manufacturing process]. Darmstadt. 25 Oct 2006. (in German)
2. Heinemann R (2004) Improving the performance of small diameter twist drills in deep-hole drilling. PhD thesis, University of Manchester Institute of Science and Technology
3. Heinemann RK (2012) The effect of starting hole geometry on borehole quality and tool life of twist drills. Int J Adv Manuf Technol 60(5–8):519–526. https://doi.org/10.1007/s00170-011-3625-7
4. Hoshi T, Hosoi T (1989) High performance drill geometry (part I). Metalwork Eng Mark 11(3):46–51
5. Hoshi T, Zhao H, Hosoi T (1989) Study of high performance drill geometry. CIRP-Ann – Manuf Technol 38(1):87–90