Occurrence of radionuclides in drinking water, a national study, Chap. 8, in Cohern, C.R., and Rebers, P.A., eds., Radon, radium and uranium in drinking water
Longtin, Jon, 1990, Occurrence of radionuclides in drinking water, a national study, Chap. 8, in Cohern, C.R., and Rebers, P.A., eds., Radon, radium and uranium in drinking water: Lewis Publishers, p. 97-139.