Mishull, Roger. <br/><br/>
An introduction to models in geography / 
Roger Mishull. 
 - London :  Longman,  1975 
 - 162 p. :  ill. ;  22 cm. 
<br/><br/>Includes bib. references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0582481082 
<br/><br/><label>LCCN: </label>7484344  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relief models.