TY - CONF A1 - Steiger, Thomas T1 - The COMAR database- a tool for finding reference materials T2 - INMETRO seminar on reference material producer and proficiency testing provider accreditation T2 - INMETRO seminar on reference material producer and proficiency testing provider accreditation CY - Rio de Janeiro, Brazil DA - 2008-06-05 PY - 2008 AN - OPUS4-17525 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -