1.
 |  | Title: Laser Materials Processing and Machining: 20-21 June 1994 (Spie Proceedings Series, Volume 2246) by R.-J Ahlers, Commission of the European Communities Directorate-General for Science, European Optical Society, Society of Photo-Optical Instrumentation Engineers ISBN: 0819415529 Publisher: SPIE--The International Society for Optical Engineering Pub. Date: June, 1994 List Price: $56.00 Amazon.com Price: $56.00 |
2.
 |  | Title: Rapid Prototyping: 10-11 June, 1996, Besancon, France by R. -J Ahlers ISBN: 0819421731 Publisher: SPIE-International Society for Optical Engine Pub. Date: January, 1996 List Price: $46.00 Amazon.com Price: $46.00 |
3.
 |  | Title: Automated 3d and 2d Vision: 21-24 June 1994, Frankfurt, Frg (Spie Proceedings Europt, Vol 2249) by R.-J Ahlers, Don Braggins, Gary W. Kamerman, Society of Photo-Optical Instrumentation Engineers, Commission of the European Communities Directorate-General for Science, European Optical Society ISBN: 0819415553 Publisher: SPIE--The International Society for Optical Engineering Pub. Date: February, 1994 List Price: $85.00 Amazon.com Price: $85.00 |
4.
 |  | Title: Late Archaic Components at Modoc Rock Shelter, Randolph County, Illinois (Reports of Investigations (Illinois State Museum), No. 48.) by Steven R. Ahler, Mary J. Bade, Francis B. King, Bonnie W. Styles, Illinois State Museum ISBN: 0897921380 Publisher: Illinois State Museum Society Pub. Date: August, 1992 List Price: $12.00 Amazon.com Price: $12.00 |
5.
 |  | Title: New Image Processing Techniques and Applications: Algorithms, Methods, and Components II: 18-19 June 1997 Munich, Frg (Spie Proceedings, Vol 3101) by R.-J Ahlers, Philippe Refregier, European Optical Society, Society of Photo-Optical Instrumentation Engineers, Commission of the European Communities Directorate-General for Science ISBN: 0819425214 Publisher: SPIE--The International Society for Optical Engineering Pub. Date: June, 1997 List Price: $69.00 Amazon.com Price: $69.00 |
6.
 |  | Title: Introduction of Artificial Vision in Manufacturing and Inspection Work and Its Training Implications by I. Aleksander, R.J. Ahlers, C. Taylor, E. Stegmaier ISBN: 9282563790 Publisher: European Communities Pub. Date: December, 1986 List Price: $4.00 Amazon.com Price: $4.00 |
7.
 |  | Title: Die optische Rauheitsmessung in der Qualitätstechnik by R.-J. Ahlers ISBN: 3540172424 Publisher: Springer-Verlag Pub. Date: 1986
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