Edwards
Ian G.
Second order vertical control via trigonometric levelling
1981
Not available for use outside of the University of New Brunswick
Fredericton
Engineering
Senior Report
electronic
Edwards, Ian G (1981). Second order vertical control via trigonometric levelling . (Engineering Senior Report no. TR-414-SU 1981). Fredericton : University of New Brunswick, Dept. of Geodesy and Geomatics Engineering TR-414-SU 1981 1882/16038