Standardization - Part 2: Presentation of documents (ISO/IEC-Directives - Part 2, modified); Trilingual version CEN/CENELEC-Internal Regulations - Part 3: Rules for the structure and drafting of CEN/CENELEC publications— 139 стр.
German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical parameters (group C) - Part 10: Calculation of the calcit saturation of water (C 10)— 23 стр.
German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical parameters (group C) - Part 10: Calculation of the calcit saturation of water (C 10)— 23 стр.
Standardization - Part 2: Presentation of documents (ISO/IEC Directives - Part 2:2011, modified); Trilingual version CEN-CENELEC Internal Regulations - Part 3:2011— 240 стр.
Standardization - Part 2: Presentation of documents (ISO/IEC Directives - Part 2:2016, modified); German and English version CEN/CENELEC Internal Regulations - Part 3:2017— 231 стр.