Fisher R V <br/><br/>
Pyroclestic rocks 
Fisher R V; Schmincke H U 
 - Berlin  Springer - Verlag          1984 
 - xiv.472p. Bib p. 410-48  cm. 
<br/><br/><label>ISBN: </label>3540127569 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H211, M4