TY - CONF A1 - Klingbeil, Patrick A1 - Pritzkow, Wolfgang A1 - Riebe, Gundel A1 - Vogl, Jochen T1 - Improvement of Certification Measurements Using Multicollector ICP-MS T2 - 8th International Symposium on Biological and Environmental Reference Materials (BERM-8) T2 - 8th International Symposium on Biological and Environmental Reference Materials (BERM-8) CY - Bethesda, MD, USA DA - 2000-09-18 PY - 2000 AN - OPUS4-7466 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -