Public Domain Aeronautical Software (PDAS)
  1. Hedgeley, David R., Jr.: A General Solution to the Hidden-Line Problem. NASA Reference Publication 1085, March 1982.
  2. A General Solution to the Silhouette Problem. NASA Technical Paper 2695, February 1987.
  3. Hedgeley, David R., Jr.: User's Guide for Sketch. NASA Technical Memorandum 81369, February 1982.
  4. Craidon, Charlotte B.: A Description of the Langley Wireframe Geometry Standard (LaWgs) Format. NASA Technical Memorandum 85767, February 1985.
  5. Newman, William M.; and Sproull, Robert F.: Principles of Interactive Computer Graphics. McGraw-Hill, 1973, pp. 421-454.
  6. Sutherland, Ivan E.; Sproull, Robert F.; and Shumacker, Robert A.: A Characterization of Ten Hidden-Surface Algorithms. Computing Surveys, vol. 6, no. 1, March 1974, pp. 1-55.
  7. Hedgeley, David R., Jr.: An Efficient Algorithm for Choosing the Degree of a Polynomial to Approximate Discrete Nonoscillatory Data. NASA Technical Memorandum 72854, April 1978.
  8. Hedgeley, David R., Jr.: A Characterization of the Real Zeros of a Particular Trancendental Function. NASA Technical Paper 1420, March 1979.
Public Domain Aeronautical Software (PDAS)