1. Trace metals in fish, sediment and water from the south-west coast of the Arabian Sea, Pakistan;Ashraf;Toxicol. Environ. Chem.,1992
2. Transport and biological effects of molybdenum in the environment;Chappell,1975
3. Sedimentation in Estuaries;Dyer,1972
4. Productivity of Aquatic Ecoystems;Goldman,1972
5. Introduction to ordination techniques;Gower,1987