Clancy, John <br/><br/>
Site surveying and levelling / 
John Clancy 
 - London :  E. Arnold,  1981 
 - 244 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0713134399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying