Advanced technical ceramics - Methods of test for ceramic powders - Part 2: Determination of impurities in barium titanate; German version EN 725-2:2007— 10 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005); German and English version EN ISO/IEC 17025:2005, Corrigenda to DIN EN ISO/IEC 17025:2005-08; German and English version EN ISO/IEC 17025:2005/AC:2006— 4 стр.
