Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017); German version EN ISO 13843:2017— 81 стр.
Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014, Corrected version 2014-11-01); German version EN ISO 11133:2014— 113 стр.
Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014 + Amd 1:2018); German version EN ISO 11133:2014 + A1:2018— 120 стр.