TY  - SER
AU  - Holmes,S.C.A.
TI  - Geology of the Country around Sevenoaks and Tonbridge (Explanation of One-inch Geological Sheet 287, New Series)
SN  - 0778-1008
PY  - 1969///
CY  - London
PB  - Geological Survey of Great Britain
KW  - Issue
ER  -