1. Foliage arthropod communities of crop and fallow fields;ALLAN;Oecologia,1975
2. Note sur l’estimation de la densité de populations édaphiques;BERTHET,1970
3. Energy equivalents of earthworms, their egesta and a mineral soil.;BOLTON;Pedobiologia,1976
4. Le peuplement thécamoebien des sols.;BONNET;Rev. Ecol. Biol. Sol.,1964
5. Productivity investigation of two types of meadows in the Vistula Valley. XIII. Some regularities in structure and function of the ecosystem.;BREYMEKYER;Ekol. Pol.,1971