Energy efficiency and renewable energy sources - Common international terminology - Part 2: Renewable energy sources (ISO/IEC 13273-2:2015); German version EN ISO/IEC 13273-2:2016— 21 стр.
Solid biofuels- Determination of particle size distribution - Part 2: Vibrating screen method using sieve apertures of 3,15 mm and below; German version EN 15149-2:2010— 16 стр.
Solid biofuels - Determination of particle size distribution - Part 1: Oscillating screen method using sieve apertures of 1 mm and above; German version EN 15149-1:2010— 16 стр.
Sustainability criteria for the production of biofuels and bioliquids for energy applications - Principles, criteria, indicators and verifiers - Part 1: Terminology; German version EN 16214-1:2012— 28 стр.