000			00370nam a2200145Ia 4500
008			211215s9999 xx 000 0 und d
040			_cJayakar Knowledge Resource Centre
100			_aLewis, R S
245		0	_aElements of mining
250			_a3
260			_bJohn Wiely and Sons, Inc _aNew York _c1964
300			_axi,768 p.
653			_aEngeeniring,
942			_c1
999			_c100886 _d100886