1. http://www.offshore-environment.com.
2. Long-Term Environmental Effects of Offshore Oil and Gas Development;Neff,1987
3. Removal of Mercury and Arsenic from Produced Water;Gallup Darrell,2007
4. http://www.rpi.edu/dept/chem-eng/Biotech-Environ/patillo/membrane.biochem/mem.types.html.
5. Separation techniques with supported liquid membranes