(78) Koskinen W. C., Harper S. S., (1990), „The retention processes: mechanisms“ in Pesticides in the Soil Environment: Processes, Impacts and Modelling (ed. H.H. Cheng). Soil Sci. Soc. Am. Book Series, No. 2, Madison, Wisconsin.
(78) Koskinen W. C., Harper S. S., (1990), „The retention processes: mechanisms“ in Pesticides in the Soil Environment: Processes, Impacts and Modelling (ed. H.H. Cheng). Soil Sci. Soc. Am. Book Series, No. 2, Madison, Wisconsin.