@book{54791,
	author = {Clark, David and Clendinning, James },
	title = {Plane and geodetic surveying for engineers /},
	publisher = {Constable  and Company,},
	year = {c1951-1958 [ Reprinted 1961]},
	address = {London :},
	edition = {5th rev. & enl.ed.},
	note = {Includes Index}
}