1. Australia in Brief;Australian Information Service,1985
2. Sulfur Emissions to the Atmosphere from Natural Sources;Bates,1990
3. National and anthropogenic sources of nitrogen, NOx for the troposhere;Bauer,1982
4. Atmosphärisch Kreislaufe von Stickoxiden und Amoniak;Böttger;KFA, Julich Report No. 1558,1978
5. National inventory of pollutants;Brown;Can. Paint Finish,1973