1. J. C. Osuwa and A. A. Harms, The extremum-slope criterion for precise dimensional measurements in neutron radiography, Proceedings World Conference on Neutron Radiography, (San Diego, California, U.S.A., Dec. 7?10, 1981).
2. A. Vary and K. J. Bowles, Application of an electronic image analyzer to dimensional measurements from neutron radiographs,Mat. Eval. 32:7 (1974).
3. S. J. Basham, D. R. Grieser, and J. W. Ray, Dimensional measurements of cylindrical specimens using neutron radiography,Mat. Eval. 28:140 (1970).
4. J. C. Domanus, Accuracy of dimension measurements from neutron radiographs of nuclear fuel pins, Proceedings 8th World Conference on Nondestructive Testing, (Cannes, France, Sept. 6?11, 1976).
5. T. J. M. Robertson, Neutron radiography in the precision measurement of irradiated materials, Proceedings BNES Conference on Radiography with Neutrons, (University of Birmingham, U.K., Sept. 10?11, 1973); (British Nuclear Energy Society, London, 1975).