1. Björke Ö (1995) Manufacturing systems theory. Tapir Publishers, Trondheim
2. Boothroyd G, Knight WA (1989) Fundamentals of machining and machine tools, 2nd edn. Marcell Decker, New York
3. Buckingham E (1949) Analytical mechanics of gears. McGraw-Hill Book Company Inc, New York
4. Colbourne JR (1987) The geometry of involute gears. Springer-Verlag, New York Inc, New York Berlin Heidelberg
5. Dooner DB (2012) Kinematic geometry of gearing, 2nd edn. Wiley, New York