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\bibitem{Oleshko_etal1998} {\textquotedblleft}\textit{Investigation of Ag, Ag$_{2}$S and Ag(Br,I) small particles by HREM and AEM}{\textquotedblright}. Oleshko V, Schryvers D, Gijbels R, Jacob W s.l., page 293 (1998).

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