NF X31-008-6:1994 Soil quality. Sampling. Part 6 : guidance on the collection, handling and storage of soil for the assessment of aerobic microbial processes in the laboratory.
2009NF X31-008-6:2009 Soil quality - Sampling - Part 6 : guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory.
1994NF X31-008-6:1994 Soil quality. Sampling. Part 6 : guidance on the collection, handling and storage of soil for the assessment of aerobic microbial processes in the laboratory.