1. GPS station site requirements . (1987). NOAA Rockville Md. Jan.
2. Kass W. G. (1985). “ADJUST the horizontal observation adjustment program.” Technical Papers 1985 ASP‐ACSM Annual Convention 374–382.
3. Kass W. G. and Dulaney R. L. (1986). “Procedures for processing GPS phase observations at the National Geodetic Survey.” Proc. Fourth Int. Geodetic Symp. on Satellite Positioning Austin Tex. 753–765.
4. Krohn D. K. et al. (1988). “A county‐wide GPS survey in support of land information system development.” Technical Papers 1988 ACSM‐ASPRS Annual Convention Vol. 1 14–23.
5. Planning GPS surveys (a guide for geodetic advisors and regional coordinators) . (1986a). NOAA Rockville Md. Sep.