Valentino, James Learning Mastercam X2 Mill 2D step by step / Learning Mastercam X2 Mill 2D step by step [computer file] James Valentino, Joseph Goldenberg - New York, NY : Industrial Press Inc., c2008 - 1 v. (various pagings) ; 28 cm. + 1 computer disc Includes index ISBN: 9780831133535 Subjects--Topical Terms: CAD/CAM systems