TY  - BOOK
AU  - Humphreys,Kenneth King
AU  - Leonard,Joseph W
TI  - Basic mathematics and computer techniques for coal preparation and mining
SN  - 0824718844
PY  - 1983///
CY  - New York
PB  - Marcel Dekker
KW  - Coal mines and mining
KW  - Decision making
N1  - Includes index
ER  -