TY  - BOOK
AU  - Ehlers,Ernest G.
AU  - Blatt,Harvey
TI  - Petrology: igneous, sedimentary and metamorphic
SN  - 0716712792
PY  - 1982///
CY  - San Francisco
PB  - Freeman
KW  - Petrology
KW  - Rocks
N1  - Includes bibliographies and index
ER  -