Yazar
ralph i larsen
2 cilt bulundu.
Cilt sonuçları
A mathematical model for relating air quality measurements to air quality standards
Ralph I. Larsen · Environmental Protection Agency, Office of Air Programs; for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington
56 sayfa · 1971
Air quality / Standards / Statistical methods / Air Pollution / Instrumentation
Air pollution from motor vehicles
Ralph I. Larsen, New York Academy of Sciences. Section of Environmental Sciences · New York Academy of Sciences
301 sayfa · 1966
Air / Pollution / Automobiles / Motors / Exhaust gas