1. Berquist H. E. (1988). “Mission planning in GPS surveying.” ASCE Surveying Engineering Specialty Conference: Engineering Applications of GPS Satellite Surveying Technology Nashville Tenn. May.
2. Colcord J. E. (1982). “Consideration of new techniques for solar energy site analysis.” Technical Papers American Society of Photogrammetry Denver Colo. Mar. 342.
3. Elgarf T. (1981). “Use of fish‐eye lens in solar energy assessment.” ASP Technical Papers Amer. Society of Photogrammetry San Francisco Calif. 448.
4. Gough R. Frei E. Reiner J. Sherrer R. (1988). “The WM 101 and PoPS™: An investigation in the Swiss Alps.” GPS‐88 ASCE Surveying Engineering Specialty Conference.
5. GPS in Support of LIS: Project Consoil, Dane County, Wisconsin