Published
Assessing and Mapping the Vulnerability of Karstic Aquifer Using GIS and COP Model
by
Masoompour Samakosh J., Bagheri S., Davoodi M., Yarahmadi D., Jafari-Aghdam M. and Soltani M.
Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by
Kurdova R.I., Vutchev D.I. and Petrov P.P.