1. Salah H.R. Ali: Advanced Measuring Techniques in Dimensional and Surface Metrology, The 10th Int. Scientific Conf. of Coordinate Measuring Technique, IMEKO-CT14, Bielsko-Biała, Poland, (23rd-25th April 2012).
2. B. Muralikrishnan and J. Raja: Computational Surface and Roundness Metrology Book, ISBN 978-1-84800-296-8, Springer, (2009), pp.13-14.
3. Salah H.R. Ali, H.H. Mohamad and M.K. Bedewy: Identifying Cylinder Liner Wear using Precise Coordinate Measurements, International Journal Of Precision Engineering and Manufacturing Vol. 10, No. 5, (Dec. 2009), pp.19-25.
4. Salah H.R. Ali, M.K. Bedewy and Sarwat. Z. Zahwi: Dimensional Inspection of Overhauled Automotive Water-Cooled Diesel Engines, Proceeding of the Int. Conference of Production Eng., Design, and Automatic Control, PEDAC'09, Alexandria, Egypt, 10-12 Feb. (2009).
5. Adam Wozniak and Marek Dobosz: Research on Hysterias of Triggering Probes Applied in Coordinate Measurement Machine, Journal of Metrology & Measurement Systems, Poland, Vol. XII, No. 4, (2005), pp.393-412.