1. Determination of natural radioactive elements in marine environmental materials by ion-exchange and alpha-spectrometry;Bojanowski,1983
2. Determination of 227Ac in environmental samples by ion-exchange and alpha spectrometry;Bojanowski;J. Radioanalyt. Nucl. Chem. Articles,1987
3. An improved ion exchange procedure for the separation of barium from radium;Gleason,1979
4. Cation-exchange behaviour of barium on Dowex 50W-X8;Khopkar;Analyt. Chim. Acta,1960
5. The electrodeposition and determination of radium by isotopic dilution in sea water and in sediments simultaneously with other natural radionuclides;Koide;Analyt. Chim. Acta,1975