1. The tritium/helium-3 method in hydrology;Torgerson,1979
2. A dating method with39Ar;Loosli;Earth Planet. Sci. Lett.,1983
3. Reliability of carbon-14 dating of groundwater;Thilo,1970
4. The theory and uses of natural uranium isotopic variations in hydrology;Osmond;Atom. Energy Rev.,1976
5. The U contents and234U/238U activity ratios of dissolved uranium in groundwaters from some Triassic Sandstones in England;Andrews;Isotope Geosci.,1983