000 00300nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.33 D229
100 _aDAS,S.K
245 0 _aMODERN COAL MINING TECHNOLOGY
260 _aDHANBAD
_bLOVELY PRAKASHAN
_c1994
300 _a25X19
942 _cBK
_2DDC
999 _c23263
_d23263