TY  - BOOK
AU  -  Werner,Abraham Gottlob
TI  -  On the external characters of minerals  / 
U1  -  549.12 WER 
PY  - 1962///
CY  -  Urban : 
PB  -  University of Illinois Press, 
KW  -  Mineralogy, Determinative
N1  -  Translation of Von den ausserlichen Kennzeichen der Fossilien;  Includes bibliographical footnotes
ER  -