TY  - SER
AU  - Greig,D.C.
TI  - Geology of the Country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee (Explanation of One-Inch Geological Sheet 166, New Series)
PY  - 1968///
CY  - London
PB  - Geological Survey of Great Britain
KW  - Issue
ER  -