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\bibitem{Oleshko_etal1996} {\textquotedblleft}\textit{Study of quasi-fractal many-particle-systems and percolation networks by zero-loss spectroscopic imaging, electron energy-loss spectroscopy and digital image analysis}{\textquotedblright}. Oleshko V, Kindratenko V, Gijbels R, van Espen P, Jacob W, Mikrochimica acta: supplementum \textbf{13}, 443 (1996)

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