[1]N. Langhof, J. Götze, M. Hengst, и R. B. Heimann, PMI, т. 167, вып. 2, сс. 62-65, фев. 2006.

[1]N. Langhof, J. Götze, M. Hengst, and R. B. Heimann, "Technical Silicification of Wood Materials", PMI, vol. 167, no. 2, pp. 62-65, Feb. 2006.