Williams
George R.
Methods of leveling
Hamilton, A. C.
1976
Not available for use outside of the University of New Brunswick
Fredericton
Engineering
Senior Report
electronic
Williams, George R (1976). Methods of leveling . (Engineering Senior Report no. TR-69-SU 1976). Fredericton : University of New Brunswick, Dept. of Geodesy and Geomatics Engineering TR-69-SU 1976 1882/15507