TY  - GEN
AU  - Kerr,Paul F.
TI  - Optical mineralogy
U1  - 549.12 22
PY  - 1959///
CY  - New York
PB  - McGraw-Hill Book Company, INC.
KW  - Optical mineralogy
KW  - BUEsh
KW  - Reading book
N1  - "Previous editions by Austin F. Rogers and Paul F. Kerr."; Includes bibliographical references and index

ER  -