Rittmann, A. <br/><br/>
Volcanoes and their activity 
A. Rittmann; translated from the second German edition by E.A. Vincent 
 - New York  Interscience  c1962 
 - xiv,305p.; 24cm. 
<br/><br/><label>Dewey Class. No.: </label>551.21  / RIT