Hargreaves, D.
World index of strategic minerals : production, exploitation, and risk / D. Hargreaves and S. Fromson. - New York : Facts on File, 1983. - xiii, 300 p. : ill. ; 31 cm.
Bibliography: p. [293]-300.
0566004895
82015435
Mineral industries
Maden endüstrisi
HD9506.A2 / H27 1983
338.2 / HAR 1983
World index of strategic minerals : production, exploitation, and risk / D. Hargreaves and S. Fromson. - New York : Facts on File, 1983. - xiii, 300 p. : ill. ; 31 cm.
Bibliography: p. [293]-300.
0566004895
82015435
Mineral industries
Maden endüstrisi
HD9506.A2 / H27 1983
338.2 / HAR 1983