000			00322nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c399
040			_aET
100			_aSINGH ,RD
245		0	_aPRI &PRAC OF MODERN COAL MINING
260			_bNEW AGE INT _aHYDERABAQD
300			_a696
500			_a53558
942			_cBK
999			_c59572 _d59572