Auf der Heyde, Thomas P.E., Hans-Beat Bürgi, Heribert Bürgy, and Karl W. Törnroos. “The Crystal and Molecular Structure of the Symmetrical Silasesquioxane H₈Si₈O₁₂ at 100 K, a Molecular Building Block of Some Zeolites”. CHIMIA 45, no. 1-2 (February 27, 1991): 38. Accessed April 26, 2024. https://www.chimia.ch/chimia/article/view/1991_038.