1. Lynch D, Ben W, Ji X, et al. Review of developments in production of silicon for photovoltaic, supplemental proceedings of TMS 2011 140th annual meeting and exhibition. Materials processing and energy materials, The Minerals Metals & Materials Society (TMS). New Jersey (USA): John Wiley & Sons Inc. 2011. p. 685–692.
2. Schweickert H, Reuschel K, Gutsche H. Production of high-purity semiconductor materials for electrical purposes. United States Patent, US3,011,877. 1961 Dec.5
3. Gutsche H. Method for producing highest-purity silicon for electric semiconductor devices. United State. Patent, US3,042,494. 1962 July 3
4. Thermodynamic Study on SiCl4 Hydrogenation System in Siemens Process