Hale, M.
Cobalt : a market appraisal / M. Hale. - London : Institute of Mining & Metallurgy, 1983. - 59 p. : maps. - Occasional papers of the Institute of Mining and Metallurgy ; 3 .
0900488689
Cobalt--Economic aspects.
Cobalt--Marketing.
Cobalt--Valuation.
Cobalt : a market appraisal / M. Hale. - London : Institute of Mining & Metallurgy, 1983. - 59 p. : maps. - Occasional papers of the Institute of Mining and Metallurgy ; 3 .
0900488689
Cobalt--Economic aspects.
Cobalt--Marketing.
Cobalt--Valuation.