. "SDN:P01::THRTAPXT" . . . . "accepted"@en . . . "BSTh230/Th232" . . . "Alpha spectroscopy on plated purified digestion"@en . "Activity ratio of thorium-230/thorium-232 {230Th/232Th} in the sediment by digestion, purification, plating and alpha spectroscopy"@en . . . . . . . . . . . . . . . . . .