000 00311nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.33 R1651
100 _aRAMANI,R.V
245 0 _aLONGWALL THICK SEAMS MINING
260 _aNEW DELHI
_bOxford & IBH Publishing
_c1988
300 _a26X17
942 _cBK
_2DDC
999 _c22145
_d22145