Mineral industry research and technology in Canada

von Jeffrey, W. G.
Veröffentlicht in Improvement of mine productivity and overall economy by modern technology ; 2 (1987)

Minerals and the developing economies

von McDivitt, James F.
Veröffentlicht in Economics of the mineral industries (A series of articles by specialist) (1976)

Bibliography of rural land economy and landownership : 1900 - 1957 ; a full list of works relating to the British Isles and selected works from the United States and Western Euro...

von Denman, Donald R.
Veröffentlicht 1958