TY  - BOOK
AU  - Winchell,Alexander N.
TI  - Elements of optical mineralogy: an introduction to microscopic petrography 
T2  - Elements of optical mineralogy. IIIDeterminative tables
U1  - 549.1 
PY  - 1951///.
CY  - New York: , London
PB  - John Wiley & sons, , Chapman & Hall
KW  - Optical mineralogy
N1  - Includes index (p. 217-231)
ER  -