Robert  _ <br/><br/>
Volcanoes and the earth's interior 

 - Sanfrancisco  W.H. Freeman  1982 
 - 141 p.  24cm.  _ 
<br/><br/><label>ISBN: </label>0716713845 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Volconoes
<br/><br/><label>Dewey Class. No.: </label>551.21  / ROB