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\bibitem{vanDyck_etal2000} {\textquotedblleft}\textit{Spectrometric determination of silicon in food and biological samples: an interlaboratory trial}{\textquotedblright}. van Dyck K, Robberecht H, van Cauwenbergh R, Deelstra H, Arnaud J, Willemyns L, Benijts F, Centeno JA, Taylor H, Soares ME, Bastos ML, Ferreira MA, d{\textquoteright}Haese PC, Lamberts LV, Hoenig M, Knapp G, Lugowski SJ, Moens L, Riondato J, Van Grieken R, Claes M, Verheyen R, Clement L, Uytterhoeven M, Journal of analytical atomic spectrometry \textbf{15}, 735 (2000).   http://doi.org/10.1039/B000572J

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