1. Bhat SG & Krishnaswami S (1969) Isotopes of uranium and radium. Indian Rivers. Proc. Ind. Acad. Sci. 69: 1–17
2. Cochran JK (1982) The oceanic chemistry of the U- and Th-series nuclides. In: Ivanovich M & Harmon RS (Eds) Uranium Series Disequilibrium (pp 384–430) Clarendon Press, Oxford
3. Deetae S (1986) Release and transport of radium during weathering in central and north Florida. Ph.D. diss., Florida State University, Tallahassee, Fl., 135 p
4. Deetae S & Burnett WC (1987) Distribution of natural decay-series radionuclides within a phosphate rock weathering sequence in Florida. In: Proceedings of the Symposium on Natural Radiation and Technologically Enhanced Natural Radiation in Florida (pp 170–202) Florida Chapter of Health Physics Society, Winter Haven, Florida
5. Dion EP (1983) Trace elements and radionuclides in the Connecticut and Amazon river estuary. Ph.D. diss., Yale University, New Haven, Conn., 233 p