Wirshing, James R <br/><br/>
Theory and problems of introductory surveying  / 
James R. Wirshing, B.S., Roy. H. Wirshing, B.I.E. 
 - New York :  McGraw-Hill ,  c1985 
 - 360p. :  ill. ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0070711240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying