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\bibitem{VanGrieken_etal1987} {\textquotedblleft}\textit{Laser microprobe mass analysis : characteristics and applications}{\textquotedblright}. Van Grieken R, Verbueken A, Bruynseels F, Vandeputte D, Goossenaerts C, Leysen L, Otten P, Wouters L,  (1987)

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