An environmental database for the status of freshwater in Greece
by
Tsouni A., Zervos N., Hadjibiros K. and Andreadakis A.
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by
Kurdova R.I., Vutchev D.I. and Petrov P.P.
Metal Speciation Studies in a Brakish/Marine Interface System
by
Scoullos M. J. and Pavlidou A. S.