TY  - BOOK
AU  - Almgren,G.
AU  - Berge,I.
AU  - Matikainen,R.
TI  - Improvement of mine productivity and overall economy by modern technology
SN  - 9061917018
PY  - 1987///
CY  - Rotterdam
PB  - A. A. Balkema
KW  - Mining geology
KW  - Congresses
ER  -