Clark, David <br/><br/>
Plane and geodetic surveying for engineers / 
David Clark. 
 - 5th ed. 
 - London :  Constable,  1963. 
 - v. : ill. ;  22 cm. 
<br/><br/>p. 649 
<br/><br/>v.2. Higher surveying 
<br/><br/><label>ISBN: </label>0094543801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying