J. E. Colcord
- Using Fish‐Eye Lens for GPS Site Reconnaissance. In: Journal of Surveying Engineering (ASCE), v. 115, n. 3 (August 1989). (1989):
- Surveying Engineering Education for the 21st Century. In: Journal of Surveying Engineering (ASCE), v. 114, n. 1 (Februar 1988). (1988):