TY  - BOOK
AU  - Philpotts, Anthony R.
AU  - Ague, Jay J.
TI  - Principles of Igneous and Metamorphic Petrology 
SN  - 9781108492881
U1  - 552.1 
PY  - 2002///
CY  - United Kingdom
PB  - Cambridge 
KW  - Geology
ER  -