Rittmann, Alfred.  1893- <br/><br/>
Volcanoes and their activity / 
A. Rittmann ; translated from the second German edition by E.A. E.A. Vincent. 
 - New York :  Interscience Publishers,  1962. 
 - xiv, 305 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanoes.
<br/><br/><label>Dewey Class. No.: </label>551.21  / RIV 1962