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\bibitem{Linssen_etal2002} {\textquotedblleft}\textit{Leached natural saponite as the silicate source in the synthesis of aluminosilicate hexagonal mesoporous materials}{\textquotedblright}. Linssen T, Cool P, Baroudi M, Cassiers K, Vansant EF, Lebedev O, van Landuyt J, The journal of physical chemistry : B : condensed matter, materials, surfaces, interfaces and biophysical \textbf{106}, 4470 (2002).   http://doi.org/10.1021/jp015578p

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