Παρόμοια τεκμήρια

• Proceedings of the conference on the mechanical engineer's contribution to clean air, London 19th-21th 1957.
  Έκδοση: (1950)
• Clean air-law and practice /
  ανά: Garner, J. F.
  Έκδοση: (1964)
• The new clean air act : a guide to the clean air program as amended in 1990 /
  ανά: Quarles, John
  Έκδοση: (1990)
• Dust control and air cleaning/
  ανά: Dorman, Richard George
  Έκδοση: (1974)
• Problems and control of air pollution : proceedings of the First International Congress on Air Pollution held in New York City, March 1-2, 1955 under the sponsorship of the Committee on Air-Pollution Controls of the American Society of Mechanical Engineers /
  Έκδοση: (1955)