7U. A. Sungurtekin, H. B. Voelcker. "Graphical simulation and automatic verification of NC machining program". Proceeding of IEEE International Conference on Robotics and Automation, 1986,166 - 171.
8W. P. Wang, K. K. Wang. Geometric modeling for swept volume for moving solid. IEEE CG&A, 1986, 6:8 - 17.
9Saito T., Takahashi T.. NC Machining with G - buffer Method. Computer Graphics, 1991, 25(4) : 207 - 216.
10Jense G J. Voxel- based Method for CAD. Computer Aided Design, 1989, 21(8): 528-533.
