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2. CEP. Caspian Environment Program. National Coastal Profile, I.R. IRAN, 2002.
3. 〈http://www.eia.doe.gov/emeu/cabs/pgulf.html〉, 〈http://www.eia.doe.gov/emeu/international/iran.html#Reports〉.
4. Hamshahri. Interview with the head of the environment bureau of Mazandaran province. Issue of 13 August 2006.
5. CASPI Institute, Affiliated to ROSCOMWOD (water committee of Russian federation). CASPI technical–economical report to take urgent actions for 1993–1995. 1992 [in Russian].