TY  - SER
AU  - Johnston,T.P.
TI  - Geology of the country around Newtownards - Memoir for 1:50 000 geological sheet 37 and part of 38 (Northern Ireland)
PY  - 1991///
CY  - London
PB  - Geological Survey of Northern Ireland Department of Economic Development
KW  - Issue
ER  -