Kilford, W. K. <br/><br/>
Elementary air survey / 
by W. K. Kilford 
 - 4th ed 
 - London :  Pitman,  c1979. 
 - xii, 345 p. :  ill.;  23 cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>027301082 
<br/><br/><label>Source: </label>B-18739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerial photogrammetry
<br/><br/><label>LC Class. No.: </label>TA593  / .K54