QA/QC Procedures, Validation Method, Traceability and Intercomparisons.Published in:Journal of Radioanalytical & Nuclear Chemistry, 2005, v. 263, n. 2, p. 311, doi. 10.1007/s10967-005-0055-8By:Lindstrom, R.M.;Blaauw, M.;Unterweger, M.P.Publication type:Article