TY - JOUR A1 - Golze, Manfred A1 - Müller, Andreas A1 - Recknagel, Angelika A1 - Steffen, Bernd A1 - Boley, N. A1 - van der Veen, A. T1 - Interlinkages and recognition of proficiency testing schemes JF - Accreditation and quality assurance PY - 2000 SN - 0949-1775 SN - 1432-0517 PB - Springer CY - Berlin AN - OPUS4-1063 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -