000 00372nam a2200133Ia 4500
008 190706s9999 xx 000 0 und d
020 _a81-224-0974-1
082 _a622.33 S617
100 _aSINGH, R. D
245 0 _aPRINCIPLES AND PRACTICES OF MODERN COAL MINING
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL
_c2015
300 _axxiv+696p,;24x18Cms.
942 _cREF
_2DDC
999 _c8142
_d8142