1. Introduction to Soil Microbiology;Alexander,1977
2. Microbial life at low temperatures: ecological aspects;Baross,1978
3. The threshold moisture content for active decomposition of some mature plant materials;Bartholomew,1946
4. Soil moisture tension and microbiological activity;Bhaumik,1947
5. Influence of simulated fall and spring conditions on the soil system. I. Effect on soil microflora;Biederbeck,1971