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Schenk, P.W. (1963). "12. Silicon and Germanium". In Brauer, Georg (ed.). Handbook of preparative inorganic chemistry (Second ed.). Academic Press. p. 719-720. doi:10.1016/B978-0-12-395590-6.50020-X. ISBN 978-0-12-395590-6. 978-0-12-395590-6
Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 376–377. ISBN 978-0-08-037941-8. 978-0-08-037941-8
Schenk, P.W. (1963). "12. Silicon and Germanium". In Brauer, Georg (ed.). Handbook of preparative inorganic chemistry (Second ed.). Academic Press. p. 719-720. doi:10.1016/B978-0-12-395590-6.50020-X. ISBN 978-0-12-395590-6. 978-0-12-395590-6
Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 376–377. ISBN 978-0-08-037941-8. 978-0-08-037941-8