000			003120000a22001450004500
001			EST
003			622.013 / H67 / 1977
004			M
006			m
100			_aHoskins, J. R.
100			_aGreen, W. R.
245			_aMineral industry costs
650			_a<MINERIA><INDUSTRIA MINERA><COSTOS>
999			_c18426 _d18426