Bureau of Mines / Minerals yearbook: Mineral industries of Asia and the Pacific 1992
Year 1992, Volume 3 (1992)
Kuo, Chin S.
Bangladesh, pp. -52 ff. PDF (867.4 KB)
http://rightsstatements.org/vocab/NoC-US/1.0/| 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