The chemical behavior of germanium has been studied extensively but its present economic value results from its physical properties.
Reference:
Kunstman, F. & Hamersma, J. 1955. The occurrence of germanium in South African coal and derived products. http://hdl.handle.net/10204/13125 .
Kunstman, F., & Hamersma, J. (1955). The occurrence of germanium in South African coal and derived products Retrieved from http://hdl.handle.net/10204/13125
Kunstman, FH, and JC Hamersma The occurrence of germanium in South African coal and derived products. 1955. http://hdl.handle.net/10204/13125
Kunstman F, Hamersma J. The occurrence of germanium in South African coal and derived products. 1955 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/13125
