Malaria situation in Bulgaria and surveillance measures (1991-2000) by Kurdova R.I., Vutchev D.I. and Petrov P.P. Global NEST Journal
Dissolved Oxygen and Nutrients in coastal waters impacted by the Strymon River plume, North Aegean Sea, Greece by Pavlidou A. and Georgopoulos D. Global NEST Journal
Concentrations of the selected air pollutants at Bily Kriz, the Czech Republic, for 1994 to 1999 by Tshiamala Mbuyi M.-H Global NEST Journal