Egan, A Detection of lead via lead-207m using cyclic activation and a modified sum-coincidence system. [electronic resource] - Analytical chemistry Nov 1976 - 1959-62 p. digital Publication Type: Journal Article ISSN: 0003-2700 Standard No.: 10.1021/ac50007a038 doi Subjects--Topical Terms: Activation Analysis--methodsCyclizationEnvironmental Pollutants--analysisLead--analysisRadioisotopes