Hargreaves, D.
World index of strategic minerals : production, exploitation and risk / D. Hargreaves, S. Fromson. - Hampshire, UK : Gower , cop. 1983 . - XIII, 300 p. : il. ; 31 cm.
ISBN 0-566-00489-5
Metalurgia extrativa
LCC HD9506
World index of strategic minerals : production, exploitation and risk / D. Hargreaves, S. Fromson. - Hampshire, UK : Gower , cop. 1983 . - XIII, 300 p. : il. ; 31 cm.
ISBN 0-566-00489-5
Metalurgia extrativa
LCC HD9506