DIN EN ISO 15952:2011 土壤质量.污染物对幼年陆生螺类的影响(庭园大蜗牛)-检验土壤污染其对生长的影响;德文版本EN ISO 15952-2011
Soil quality - Effects of pollutants on juvenile land snails (Helicidae) - Determination of the effects on growth by soil contamination (ISO 15952:2006); German version EN ISO 15952:2011