1. J.D. Chalupnik, J.L. Garbini, J.E. Jorgensen, Shim Gap Gaging: A Survey of Applicable Technology, SME, Sensors 86, Detroit-Michigan, 1986.
2. Faying surface gap measurement of aircraft structures for shim fabrication and installation;Sarr;Proceedings SPIE Applications of Artificial Neural Networks II,1991
3. W. Baudot, G. Clermont, P. Gaspart, P. Lococo, Visually guided arc-welding robot with self-training features, in: Proceedings of the SME 13th ISIR/Robots 7 Conference, Chicago, IL, 1983.
4. A sensor system for quality assurance in laser welding with filler wire;Kropla;SPIE Laser Materials Processing and Machining,1994
5. G.L. Oomen, W.J.P.A. Verbeek, A real-time optical profile sensor for robot arc welding, in: Proceedings of the 3rd International Conference on Robot Vision and Sensory Controls, Cambridge, MA, USA, November 1983.