La Putt, Junny P. <br/><br/>
Higher surveying instructional manual. 

 - Baguio City :  Baguio Research and Publishing Center,  c1956. 
 - v, 493 p. :  ill. ;  21 cm. 
<br/><br/> Bibliography (p.485-486. 
<br/><br/><label>ISBN: </label>9711057042