TY  - RPRT
TI  - The flow mechanism in the Chalk based on radio-isotope analyses of groundwater in the London Basin
AU  - R.A. Downing
AU  - F.J. Pearson
AU  - D. B. Smith
PY  - 1979
DO  - 10.1016/0022-1694(79)90088-x
UR  - https://pubs.usgs.gov/publication/70012532
ID  - 70012532
ER  -