TY  - BOOK
AU  - Kerr,Paul F.
TI  - Optical mineralogy
U1  - 549.12 
PY  - 1959///
CY  - New York
PB  - McGraw-Hill
KW  - Optical mineralogy
N1  - "Previous editions by Austin F. Rogers and Paul F. Kerr."; Includes bibliography
ER  -