Rittmann, A.  <br/><br/>
Volcanoes and their activity / 
A. Rittmann ; translated from the German by E.A. Vincent. 
 - 2nd German ed. 
 - London :  John Wiley,  1962. 
 - xiv, 305 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>392  392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanoes.
<br/><br/><label>Dewey Class. No.: </label>551.21 / R517v