TY  - BOOK
AU  - Raymond,, Loren A
TI  - Petrology: THe Study of Igneous, Sedmientary and Metamorphic Rocks / 
SN  - 0-07-366168-6
U1  - R 552 
PY  - 2002///
CY  - New York
PB  - Mc Graw Hill
KW  - Earth Science
KW  - Rocks
KW  - Lithology
KW  - Petrography
KW  - Mineralogy
ER  -