Air quality criteria and guides for urban air pollutants
Subtitle: report of a WHO Expert Committee.
Series: Technical report series / World Health Organization -- no.506; Technical report series (World Health Organization) -- 506.
Publisher: W.H.O.; [H.M.S.O.]
Published: 1972
Place of publication: Geneva; [London]
Language: eng
Number of pages: 35
Subjects: Air -- Pollution -- Physiological effect.
Notes: Includes bibliographies.