TY  - BOOK
AU  - Williams, Howel
AU  - Turner, Francis
AU  - Gilbert, Charles
TI  - Petrography : An Introduction to the Study of Rocks in Thin Sections
SN  - 0716713764
PY  - 1982///
CY  - New York
PB  - W.H Freeman and Company
KW  - Petrology
KW  - Thin Sections (Geology)
ER  -