TY  - BOOK
AU  - Graig,James R.
TI  - Ore microscopy and ore petrography
AV  - QE390 .C7 
PY  - 1981///
CY  - New York
PB  - John &Wiley
KW  - Ores
KW  - Thin sections
KW  - Geology
N1  - Includes bibliographies and indexes
ER  -