Clark, David, <br/><br/>
Plane and geodetic surveying for engineers / 
David Clark. 
 - 6th ed. 
 - London:  Constable,  1969. 
 - v. : ill. ;  22 cm. 
<br/><br/>p. 460 
<br/><br/>v.1. Plane surveying 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying