The pebble fines contribution into radiation environment of the river Yenisei floodplain in an influence zone of the Krasnoyarsk mining and chemical combine (KMCC)F.V. Sukhorukov, M.S. Melgunov and A.V. ChuguevskiiRadioprotection, 46 6 (2011) S17-S23DOI: https://doi.org/10.1051/radiopro/20116466s