TY  - BOOK
AU  - Hutchison,Charles S.
TI  - Laboratory handbook of petrographic techniques 
U1  - 552.0028 
PY  - 1974///.
CY  - New York : 
PB  - John Wiley & Sons, Inc., 
KW  - Petrology
KW  - Petrographic techniques - Laboratory handbook
ER  -