1. Fundamentals of Soil Science;Foth,1978
2. The Chemistry of Silica: Solubility, Polymerization, Colloid and Surface Properties, and Biochemistry;Iler,1979
3. Voronkov MG: Silicon in Living Systems. Edited by Corey JY, Corey ER, Gaspar PP. Chichester: Ellis Horwood Limited; 1987.
4. Biosilicification: the role of the organic matrix in structure control;Perry;J Biol Inorg Chem,2000
5. Minerals formed by organisms;Lowenstam;Science,1981