1. Guide to the Calculation of Chimney Height in Hong Kong;Air Pollution Control Division,1984
2. Hazards in the Chemical Laboratory;Bretherick,1981
3. The Measurement of Airborne Particles;Cadle,1975
4. Energy Supply — demand situation and energy policies and planning in Hong Kong;Chou,1983
5. Chimney Heights, 3rd Edition of the 1956 Clean Air Act Memorandum;Department of the Environment,1970