DIN EN ISO 11268-3-2015 土质.污染物对蚯蚓的影响.第3部分:野外影响的测定指南(ISO 11268-3-2014);德文版本EN ISO 11268-3-2015
Soil quality - Effects of pollutants on earthworms - Part 3: Guidance on the determination of effects in field situations (ISO 11268-3:2014); German version EN ISO 11268-3:2015