1. “A new method for calibrating surface plates” ir. J. Meijer Mechanical Communications, vol. 1975, no. 4. Irregularly appearing scientific journal of Twente University of Technology, Department of Mechanical Engineering.
2. Surface plate measurements;de Bruin;Annals of the C.I.R.P.,1977
3. Investigation on granite as a material for metrology aids;Abdin;Annals of the C. I. R. P.,1978
4. The effect of thermal gradients on flatness of surface tables;El-Saved;Int. Journal of production Research,1979
5. “The effect of moisture on the flatness of black granite surface plates” T. R. J. Oakley Machinery and Production Engineering 1966, 2 Nov., pp 979-981 or Machine shop and engineering manufacture, 1966, Oct., 402-404.