1. Grid circle analyzer: computer aided measurement of deformation;Ayres;Transactions on SAE,1979
2. Forming measurement tool innovations system Inc., Grid analyzer, Hamilton, Ontario, Canada, 〈http://www.fmtisystems.com〉, accessed September 26, 2005.
3. The dynamic deformation of a circular membrane;Bednarski;International Journal of Mechanical Science,1969
4. The automated measurement of strains from three-dimensional deformed surfaces;Vogel;Journal of Metals,1990
5. Vision based surface strain measurement system;Manthey;Journal of the Minerals, Metals, and Material Society (JOM),1995