TY  - BOOK
AU  - Humphreys,Kenneth King
AU  - Leonard,Joseph W.
TI  - Basic mathematics and computer techniques for coal preparation and mining
T2  - Energy, power, and environment
SN  - 0824718844
AV  - TN803 .B33 1983
U1  - 622/.3382/0685 19
PY  - 1983///
CY  - New York
PB  - M. Dekker
KW  - Coal mines and mining
KW  - Decision making
KW  - Local
N1  - Includes bibliographical references and index
ER  -