DIN EN 16590-2-2014 农业和林业用拖拉机和机械. 控制系统的安全相关部件. 第2部分: 概念阶段 (ISO 25119-2-2010, 修订版); 德文版本EN 16590-2-2014
Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2: Concept phase (ISO 25119-2:2010 modified); German version EN 16590-2:2014