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 @article{abdel-aziz_frey_2003, title={Development of hourly probabilistic utility NOx emission inventories using time series techniques: Part II - multivariate approach}, volume={37}, DOI={10.1016/j.atmosenv.2003.09.008}, number={38}, journal={Atmospheric Environment}, author={Abdel-Aziz, A. and Frey, H. C.}, year={2003}, pages={5391–5401} }
 @article{abdel-aziz_frey_2003, title={Quantification of hourly variability in NOx emissions for baseload coal-fired power plants}, volume={53}, DOI={10.1080/10473289.2003.10466298}, number={11}, journal={Journal of the Air & Waste Management Association}, author={Abdel-Aziz, A. and Frey, H. C.}, year={2003}, pages={1401–1411} }