TY  - BOOK
AU  - Harker,A.
TI  - Metamorphism, a study of the transformations of rock-masses
T2  - Memoir
SN  - 0 11 884367 2
PY  - 1932///
CY  - London
PB  - Methuen & Co. Ltd.
KW  - Geology
KW  - Wales
KW  - Harlech Region
KW  - Mines and mineral resources
ER  -