1. A physiological method for the quantitative measurement of microbial biomass in soils;Anderson;Soil Biology & Biochemistry,1978
2. Soil respiration;Anderson,1982
3. A field apparatus for the determination of intensity of photosynthesis;Catsky;Biologia Plantarum,1960
4. A colorimetric method for CO2 determination in respiration studies;Claypool,1942
5. The measurement of soil CO2 evolution in-situ;Cropper;Pedobiologia,1985