Rittmann, A. <br/><br/>
Volcanoes and their activity. 

 - New York :  John Wiley,  1962. 
 - 305 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Actividad volcanica<br/>Erupciones volcanicas<br/>Productos volcanicos<br/>Volcanes
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>551.21