Clark, Jean M. <br/><br/>
Rotational movement in cirque and valley glaciers / 
Jean M. Clark and W. V. Lewis 
 - (S.l. : s.n.),  1951 
 - 546-566 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology