Amstutz, G. C.  1922-. <br/><br/>
Glossary of mining geology  in English, Spanish, French and German / 
by G.C. Amstutz. 
 - Stuttgart :  Enke Verlag,  1971. 
 - 197 p. :  ill. ;  22 cm. 
<br/><br/>p. 161 
<br/><br/><label>ISBN: </label>3432016670 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Economic--Dictionaries--Polyglot<br/>Mining engineering--Dictionaries--Polyglot<br/>Dictionaries, Polyglot