1. Pelagic tar;Butler;Scient. Am.,1975
2. Composition and weight per area of pelagic tar collected between Portugal and south of the Canary Islands;Ehrhardt;“Meteor” Forsch Ergebn.,1977
3. New data on the distribution of pollutants and their effect on some hyponeuston constitutents in the S.E. Mediterranean;El-Hehyawi,1978
4. The fate of Amoco Cadiz oil;Gundlach;Science,1983
5. Oil Pollution of the Egyptian Red Sea and Gulf of Suez and its Effect on Birds;Heathcote,1983