1. Two Dimensional Tracing and Measurement Using Touch Trigger Probes;Lu;Annals of the CIRP,1982
2. J. Schneeberger, J. Bollinger, N. Duffie and K. Yamazaki, “Computerized Three-Dimensional Error Analysis for Automated Part Inspection”, NAMRC-XI, Madison, WI, May 24-26, 1983, pp. 423-427.
3. N. Duffie, M. Kroneberg, S. Feng, G. Halldin and J. Bollinger, “Error Compensation of CAD/CAM Data Bases by Comparison with Measured Databases for Increased Part Accuracy Capability”, NAMRC-XII, Houghton, MI, May 30-31, 1984.
4. Generation of NC commands for Sculptured Surface Machining from 3-Coordinate Measuring Data;Kawabe;Annals of the CIRP,1980
5. PADL-2: A Technical Summary;Brown;IEEE CG&A,1982