作者: H. Orru , M. Kaasik , D. Antov , B. Forsberg
DOI: 10.3846/1822-427X.2008.3.206-212
关键词: Air quality index 、 Civil engineering 、 Estonian 、 Emission coefficient 、 Air pollution 、 Automobile driving 、 Environmental science
摘要: Traffic is the main factor affecting air quality in most cities. After Estonian re-independence 1991, increase of motorization has been fast and car usage intensified. During sam ...