TY  - BOOK
AU  - Grigal, Dennis J.
CN  - TN23
CN  - TN23
CY  - Minneapolis, Minn. :
DA  - 1979.
ID  - 32529
KW  - Coal mines and mining
PB  - Donaldson Co.,
PP  - Minneapolis, Minn. :
PY  - 1979.
T1  - Flooded-bed scrubber for machine-mounted coal mine applications :final report /
TI  - Flooded-bed scrubber for machine-mounted coal mine applications :final report /
ER  -