Mining international yearbook 1980
Mining international yearbook 1980. / Wllm. G. Nightingale
. - London : Longman Group Limited., 1979
. - 702 p ; 22 cm
. - IGM
. - ISBN 0 582 90302 5
METAL /
MINERAIS /
EXPLORAÇÃO MINEIRA /
DIRECTÓRIO /
8622 (Biblioteca Economia) - 300100009276