TY  - GEN
AU  - Williams, Howel,             
TI  - Petrology: an introduction to the study of rocks in thin sections,
U1  - 552 
PY  - 1954///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Petrology. [from old catalog]
N1  - Donations; Donations - Dr. Mostafa Gouda
ER  -