Public Domain Aeronautical Software (PDAS)
  1. Hague, D.S., and Rozendaal, H.L.; NSEG - A Segmented Mission Analysis Program for Low and High Speed Aircraft. Volume I - Theoretical Development. NASA Contractor Report 2807, August 1977.
  2. Hague, D.S., and Rozendaal, H.L.; NSEG - A Segmented Mission Analysis Program for Low and High Speed Aircraft. Volume II - Program Users Manual. NASA Contractor Report 2808, September 1977.
  3. Hague, D.S., and Rozendaal, H.L.; NSEG - A Segmented Mission Analysis Program for Low and High Speed Aircraft. Volume III - Demonstration Problems. NASA Contractor Report 2809, September 1977.
  4. Rutowski, E.: Energy Approach to the General Aircraft Performance Problem. Journal of the Aeronautical Sciences, March 1954, pp.187-195
  5. Raybould,B.: Approximate Trajectories for Maximum Range. Journal of the Aeronautical Sciences, June 1963.
  6. Hague,D.S.; and Jones,R.T.: Energy Maneuverability Options for the Mission Segment Analysis Program NSEG. TN-149, Aerophyics Research Corporation, April, 1972.
Public Domain Aeronautical Software (PDAS)