1. Norvelle, F. Raye, Interactive Digital Correlation Techniques For Automatic Compilation of Elevation Data, U.S. Army Engineer Topographic Laboratories, Fort Belvoir, VA 22060, Report Number ETL-0272, Oct. 1981.
2. Fast Filter Transforms for Image Processing;Burt;CGIP,1981
3. Smith, Grahame .B., A Fast Surface Interpolation Technique, Technical Note 333, Artificial Intelligence Center, SRI International, Menlo Park, California, August 1984. (Also in these proceedings).