↑ Iler, R.K. (1979). The Chemistry of Silica. Plenum Press. ISBN047102404X.
↑ Lynn Townsend White, Jr. (1961). "Eilmer of Malmesbury, an Eleventh Century Aviator: A Case Study of Technological Innovation, Its Context and Tradition". Technology and Culture. 2 (2): 97–111. doi:10.2307/3101411.
↑ Lidong Wang, D Major, P Paga, D Zhang, M G Norton, D N McIlroy (2006). "High yield synthesis and lithography of silica-based nanospring mats". Nanotechnology. 17: S298–S303. doi:10.1088/0957-4484/17/11/S12.CS1 maint: multiple names: authors list (link)
