1. Hydrographical characteristics of the North Euboikos Gulf;Balopoulos,1985
2. The effect of effluent discharge on primary production;Becacos-Kontos;Rapp. Comm. int Mer Medit.,1981
3. Pollution problems in Greek waters;Becacos-Kontos;Mar. Pollut. Bull.,1971
4. Etude du phytoplancton du golfe de Petalion (mer Egée) en Mars 1970;Blasco;Rapp. Comm. int Mer Medit.,1974