TY  - BOOK
AU  - Wahlstrom,Ernest E.
TI  - Petrographic mineralogy
U1  - 549.114 
PY  - 1955///.
CY  - New York: , London
PB  - John Wiley & sons, , Charman & Hall
KW  - Mineralogy, Determinative
KW  - Rocks
KW  - Classification
N1  - Includes bibliographical references and index (p. 393-408)
ER  -