TY  - BOOK
AU  - Hatch, F.H.
AU  - Wells, A.K.
TI  - The petrology of the igneous rocks
U1  - 552.1 DDC 21
PY  - 1937///
CY  - London
PB  - George Allen & unwin ltd
KW  - Petrology
KW  - Igneous rocks
ER  -