Evolution of geomorphology : a nation by nation  summary of development. 
edited by H.J.Walker and W.E. Grabau 
 - NewYork  John Wiley&sons  c1993 
 - xiii,539p.:ill.;  25cm. 
<br/><br/><label>ISBN: </label>0471930590 
<br/><br/><label>Dewey Class. No.: </label>551.409  /  WAL