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Istvan Barabas

These links may be useful to you.

http://www.emisia.com/copert/Copert4.html

http://www.eea.europa.eu/publications/EMEPCORINAIR5/page016.html

Sompoke Kingkaew

Dear Dr.Istvan and Dr.Yanju, Thank you for your useful links and recommendations, sir.

Nicolas Jeuland

Copert (see link above) is not the most comprehensive nor the most accurate database, but it is the most well known and accepted. I would suggest to use it.

Thank you for your suggestion, sir.