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\bibitem{Nikolova_etal2011} {\textquotedblleft}\textit{Size resolved ultrafine particles emission model : a continues size distribution approach}{\textquotedblright}. Nikolova I, Janssen S, Vrancken K, Vos P, Mishra V, Berghmans P, The science of the total environment \textbf{409}, 3492 (2011).   http://doi.org/10.1016/J.SCITOTENV.2011.05.015

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