Indian rock phosphate industry in A. D. 2000 -
Bhargava, D.N. [et. all]
Indian rock phosphate industry in A. D. 2000 - a perspective - Nagpur Indian Bureau of Mines 1983 - v;108p.
622.3:546.185(540)
Indian rock phosphate industry in A. D. 2000 - a perspective - Nagpur Indian Bureau of Mines 1983 - v;108p.
622.3:546.185(540)