Plastics and ebonite - Determination of indentation hardness by means of a durometer (Shore hardness) (ISO 868:2003); German version EN ISO 868:2003— 12 стр.
Coated abrasives - Grain size analysis - Part 3: Determination of grain size distribution of micro grits P240 to P2500 (ISO 6344-3:2013); Text in German and English