1. Air Quality Guidelines for Europe; Regional Publications; European series No. 23; World Health Organization: Geneva, Switzerland, 1987; pp 242–261.
2. Khaliquzzaman, M.; Biswas, S.K. Monitoring of Heavy Metal Pollutants in Air Particulates in Bangladesh; NAHRES-9; International Atomic Energy Agency: Vienna, Austria, 1992; pp 15–30.
3. Khaliquzzaman, M.; Biswas, S.K.; Tarafdar, S.A.; Islam, A.; Khan, A.H. Trace Element Composition of Airborne Particulate Matter in Urban and Rural Areas of Bangladesh; AECD/AFD-CH/3–44; Bangladesh Atomic Energy Commission: Dhaka, Bangladesh, 1995.
4. Khaliquzzaman, M.; Tarafdar, S.A.; Biswas, S.K.; Islam, A.; Khan, A.H. Background Air Pollution Studies in Urban and Rural Areas in Bangladesh; NAHRES-26; International Atomic Energy Agency: Vienna, Austria, 1995.
5. Khaliquzzaman, M.; Biswas, S.K.; Tarafdar, S.A.; Islam, A.; Khan, A.H. Trace Element Composition of Airborne Particulate Matter at a Rural Site in Bangladesh; AECD/AFD-CH/5–47; Bangladesh Atomic Energy Commission: Dhaka, Bangladesh, 1996.