National air quality status report (2005-2007).

Ижил төстэй зүйлс

• Air quality monitoring and control strategy
  -н: Singal, S.P
  Хэвлэсэн: (2012)
• Air quality control formation and sources, dispersion, characteristics and impact of air pollutants--measuring methods, techniques for reduction of emissions and regulations for air quality control
  -н: Baumbach, Gunter
  Хэвлэсэн: (1996)
• National state of the brown environment report (2005-2007).
  Хэвлэсэн: (2009)
• Air pollution
  -н: Parker, Homer W. 1921-
  Хэвлэсэн: (1977)
• Clearing the air a global agenda
  -н: French, Hilary F.
  Хэвлэсэн: (1990)