Affiliation: | a Flerov Laboratory of Nuclear Research, Joint Institute for Nuclear Research, Dubna 141980, Russia b Kernchemie, FB 15, Philipps-University Marburg, Germany c Department of Geology, Union College, Schemstady, NY, USA d State Scientific Center of Environment Radiogeochemistry, Kiev, Ukraine e Laboratoire de Microanalyses Nucleaire, Univercite de Besancon, France |