Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by Kurdova R.I., Vutchev D.I., Petrov P.P.
Published
Application of the SWAT (Soil and Water Assessment Tool) model in the Ronnea catchment of Sweden
by Bekiaris I.G., Panagopoulos I.N., Mimikou M.A.