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Uptake~of U-and Th-series radionuclides by cerral crops in Upper Egypt
SHABAN Harb(Center for Radiation Protection and Radioecology, Hanover University , Herrenhaeuser Str.2, D-30419 Hanover, Germany;Physics Department, Faculty of Science, South Valley University, Qena 83523, Egypt);ROLF Michel(Center for Radiation Protection and Radioecology, Hanover University , Herrenhaeuser Str.2, D-30419 Hanover, Germany)
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