Van Zuidam, .R. A. <br/><br/>
Guide to geomorphological photo-interpretation 
R.A. van Zuidam 
 - Rev. ed. 
 - Enschede, The Netherlands :  I.T.C.,  1973 
 - 171 p. ;  30 cm. 
<br/><br/> Photocopy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerial photography in geomorphology<br/>Photographic interpretation