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\bibitem{Smekens_etal1998} {\textquotedblleft}\textit{Morphology and fractal dimension of soot and carbon black aggregates determined by image analysis}{\textquotedblright}. Smekens A, Vervoort M, Pauwels J, Berghmans P, van Espen P, Van Grieken R,  (1998)

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