cam a22 u 4500 128575891 CHVBK 20200921060756.0 880212s1979 xxu | 10 |eng|d (OCoLC)637092951 (NEBIS)000232271 ETH-BIB ger ETH-BIB ETHICS-ISBD A specialty conference on view on visibility regulatory & scientific : Denver - Col., November 26-27, 1979 ed.: Edward R.Frederick; ed.: Air pollution control Association; spons.: Rocky Mountain States Section & Technical Council of the Air pollution control Association VIEW on VISIBILITY Pittsburgh - Pa. 1979 VIII, 304 p. 24 cm fig.; tab.; diagr.; maps APCA specialty conference proceedings AEROSOLE, FLÜSSIGE UND FESTE VERUNREINIGUNGSPARTIKEL DER LUFT (UMWELTPROBLEME) ger (ETHUDK)000050067 ethudk SICHTWEITE (KLIMATOLOGIE) ger (ETHUDK)000020441 ethudk Konferenzschrift Denver (CO) 1979/11 gnd-content u SICHTWEITE (KLIMATOLOGIE) ger 551.591 nebis E1 u AEROSOLE, FLÜSSIGE UND FESTE VERUNREINIGUNGSPARTIKEL DER LUFT (UMWELTPROBLEME) ger 504.3.054,2 nebis E1 u VISIBILITÉ (CLIMATOLOGIE) fre 551.591 nebis E1 u VISIBILITY (CLIMATOLOGY) eng 551.591 nebis E1 u AEROSOLS, SOLID AND LIQUID PARTICLES (ENVIRONMENTAL PROBLEMS) eng 504.3.054,2 nebis E1 u AEROSOLS, PARTICULES LIQUIDES OU SOLIDES POLLUANT L'AIR (PROBLÈMES ENVIRONNEMENTAUX) fre 504.3.054,2 nebis E1 Frederick E.R. Air Pollution Control Association (DE-588)874-6 Specialty Conference on View on Visibility - Regulatory & Scientific (1979 Denver, CO) (DE-588)1091135339 BK020800 XK020000 XK020000 Denver (CO) Kongress = Congrès 1979/11 NEBIS E01 E01 MG 731297 NEBIS 490 -- APCA specialty conference proceedings NEBIS 700 1- Frederick E.R. NEBIS 710 2- Air Pollution Control Association (DE-588)874-6 NEBIS 711 2- Specialty Conference on View on Visibility - Regulatory & Scientific (1979 Denver, CO) (DE-588)1091135339