TY  - RPRT
TI  - The age of groundwater in the Lincolnshire Limestone, England and its relevance to the flow mechanism
AU  - R.A. Downing
AU  - D. B. Smith
AU  - F.J. Pearson
AU  - R.A. Monkhouse
AU  - R.L. Otlet
PY  - 1977
DO  - 10.1016/0022-1694(77)90035-x
UR  - https://pubs.usgs.gov/publication/70009887
ID  - 70009887
ER  -