1. Biomass increase of benthic macrofauna demonstrates eutrophication of the Baltic sea;Cederwall;Ophelia,1980
2. Public health considerations of the microbiology of “portable” water;Colwell,1978
3. Manual for the identification of medical bacteria;Cowan,1974
4. Plankton studies in the Arabian Gulf, II. The autumn phytoplankton in the northweastern area;Dorgham;Arab. Gulf J. Sci. Res. Agric. Biol. Sci.,1987
5. Failure of the most-probable-number technique to detect coliforms in drinking water and raw water supplies;Evans;Appl. Environ. Microbiol.,1981