Published
Water chemistry and biology in a shallow lake (Lake Pamvotis - Greece). Present state and perspectives
by Kagalou If., Tsimarakis G., Paschos I.
Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by Kurdova R.I., Vutchev D.I., Petrov P.P.
Published
Nutrient and trace metal distribution in the Gulf of Astakos, Aetoloakarnania, Greece
by Eleftheriadou Maria, Skoullos M.