9Ding S, Mannan M A, Poo A N. Oriented Bounding Box and Octree Based Global Interference Detection in 5-axis Machining of Free-form Surfaces[J]. Computer- aided Design, 2004,36 (13) : 1281-1294.
10Ilushin O, Elber G, Halperin D, et al. Precise Global Collision Detection in Multi-axis NC-Machining [J]. Computer - aided Design, 2005, 37 ( 9 ) :909- 920.
