Verstappen, H. T. <br/><br/>
An atlas illustrating the use of aerial photographs in geomorphological mapping  / 
by H. Th. Verstappen 
 - Enschede, The Netherlands :  International Institute for Aerial Survey and Earth Sciences,  1977 
 - 177 p. ;  32 cm. 
 - ITC textbook of photo-interpretation  v.7 .
<br/><br/> Photocopy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerial photography in geomorphology