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2. Radium content and the 226Ra228Ra activity ratio in groundwater from bedrock;Asikainen;Geochim. Cosmochim. Acta,1981
3. Physico-chemical forms and migration in continental waters of radium from uranium mining and milling;Benes,1983
4. Landforms, natural drainage and salinity;Bettenay;J. Agric. West. Aust.,1978
5. Aspects of the hydrologie cycle and related salinity in the Belka Valley, Western Australia;Bettenay;Aust. J. Soil Res.,1964