Sinha, R. K.
Mineral economics / R. K. Sinha and N. L. Sharma. - 2nd ed. - New Delhi : Oxford and IBH Pub., c 1976. - vi, 368 p. : ill. ; 22 cm.
Includes index.
Bibliography : p. 351-357.
334 334
economic geology.
Mines and mineral resources.
553 / R1m
Mineral economics / R. K. Sinha and N. L. Sharma. - 2nd ed. - New Delhi : Oxford and IBH Pub., c 1976. - vi, 368 p. : ill. ; 22 cm.
Includes index.
Bibliography : p. 351-357.
334 334
economic geology.
Mines and mineral resources.
553 / R1m