1. Soil-5, a new IAEA certified reference material for trace element determination;Dybczynski;Geostandards Newsletter,1979
2. R. Dybczynski O. Suschny 1979 Final report on the intercomparison run SL-1 for the determination of trace elements in a lake sediment sample
3. Zur korrektur von inhomogenitaten des reaktorneutro-nenflusses bel der aktivierungsanalyse;Geisler;Isotopenpraxis,1982
4. CMEA-Standard
5. CMEA-Standard