000 00371nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.31 R888
100 _aROY,B.C
245 0 _aSPECIAL NUMBER ON UPDATE ON SURFACE MINING TECHNIQUES AND PRACTICES WORLD WIDE I
250 _a30
260 _aCALCUTTA
_bBOOKS & JOURNALS
_c1982
300 _a29X22
942 _cBK
_2DDC
999 _c21524
_d21524