ALLEN(JOHN R L) <br/><br/>
Current Ripples : THeir Relation to Patterns of Water and Sediment Motion 

 -  1968  North-Holland-Amsterdam 
 - 1-433  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT22:2       K8