Soil quality. Sampling. Guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory— 18 стр.
Soil quality. Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers. Static headspace method— 30 стр.
Information processing; 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange; Format and recording, using group coding at 246 cpmm (6 250 cpi)— 18 стр.