Kumar, Prashant Measurements of particles in the 5-1000 nm range close to road level in an urban street canyon. [electronic resource] - The Science of the total environment Feb 2008 - 437-47 p. digital Publication Type: Journal Article ISSN: 0048-9697 Standard No.: 10.1016/j.scitotenv.2007.10.013 doi Subjects--Topical Terms: CitiesHumansParticle SizeParticulate Matter--chemistryVehicle EmissionsWind