David Spitler, ‎Jeff Lantrip, ‎John G. Nee. Fundamentals of Tool Design. 5th ed. Dearborn, Michigan: Society of Manufacturing Engineers (SME), 2003.

David Spitler, ‎Jeff Lantrip, ‎John G. Nee. Fundamentals of Tool Design. 5th ed. Dearborn, Michigan: Society of Manufacturing Engineers (SME), 2003.