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Bureau of Mines / Minerals yearbook 1989
(1989)
Gambogi, Joseph
Silicon, pp. 913-922
Page 913
![[page image]](http://images.library.wisc.edu/EcoNatRes/0005/0001/M/0921.gif)
As a work of the United States government, this material is in the public domain.| For information on re-use see: http://digital.library.wisc.edu/1711.dl/Copyright




