DIN EN ISO 14240-1:2011 土质.土壤微生物的生物量测定.第1部分:基质诱导呼吸法(ISO 14240-1-1997);德文版本EN ISO 14240-1-2011
Soil quality - Determination of soil microbial biomass - Part 1: Substrate-induced respiration method (ISO 14240-1:1997); German version EN ISO 14240-1:2011