TY  - BOOK
AU  - Peng,Syd S.
AU  - Chiang,H.S.
TI  - Longwall mining
SN  - 0471868817 :
U1  - 622.334 19
PY  - 1984///
CY  - New York
PB  - Wiley
KW  - Longwall mining
KW  - Coal mines and mining
N1  - "A Wiley-Interscience publication."; Includes bibliographical references and indexes
ER  -