TY  - BOOK
AU  - Williams, Howel,
AU  - Tuner, Francis J.
AU  - Gilbert, Charles M.
TI  - Petrography: an introduction to the study of rocks in thin secti ons 
SN  - 0716713764
U1  - 552 
PY  - 1982///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Petrology
KW  - Thin sections
KW  - Geology
N1  - Includes bibliographical references
ER  -