P. J. Sevenhuijsen

Grid methods: A new future

P. J. Sevenhuijsen, 1989 .

Current trends in obtaining deformation data from grids

James S. Sirkis, P. J. Sevenhuijsen, F. Bremand, 1993 .

Another method to separate principal strains in photoelastic coatings

P. J. Sevenhuijsen, 1983 .

The photonical, pure grid method

Pieter J. Sevenhuijsen, P. J. Sevenhuijsen, 1992 .