00760cam a2200253 a 450000100060000000300080000600500170001400800410003102000170007202000150008903500190010404000310012304100080015408200260016210000250018824500490021326000310026230000320029350000400032550400530036565000210041865000270043970000400046613642BD-RjUL20211208235504.0140201s1984    nyua     b    001 0 eng    a0471868817 :  a0471868817  a(BD-RjUL)13694  aLCbengcLCdVBAXdBD-RjUL  aeng04a622.334219bPEL 19841 aPeng, Syd S.,d1939-10aLongwall mining /cSyd S. Peng, H.S. Chiang.  aNew York :bWiley,cc1984.  ax, 708 p. :bill. ;c24 cm.  a"A Wiley-Interscience publication."  aIncludes bibliographical references and indexes. 0aLongwall mining. 0aCoal mines and mining.1 aChiang, H. S.,q(Han Shing),d1929-