引用本文: | Voukantsis D,Karatzas K,Kukkonen J,R?s?nen T,Karppinen A,Kolehmainen M.Intercomparison of air quality data using principal component analysis, and forecasting of PM?? and PM?.? concentrations using artificial neural networks, in Thessaloniki and Helsinki[J].The Science of the total environment,2011,409(7):1266-1276. |