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008 190711s9999 xx 000 0 und d
082 _a622.33 S343
100 _aSARKAR,S.K
245 0 _aLONGWALL MINING IN INDIA
260 _aDHANBAD
_bCENTRAL MINING RESEARCH STATION
_c1985
300 _a19X13
942 _cBK
_2DDC
999 _c23355
_d23355