1. Nitrifying bacteria;Alexander,1965
2. Experiments in Soil Bacteriology;Allen,1957
3. Influence of plant protection products on the microbiological activity of soil;Bacmaga;J. Elem.,2007
4. Biological transformation processes of pesticides;Bollag,1990
5. The impact of synthetic pyrethroid and organophosphate sheep dip formulations on microbial activity in soil;Boucard;Environ. Pollut.,2008