000			00284nam a22001217a 4500
020			_a9788126914074
082			_a333.7 TIW.M
084			_2DDC _a333.7 TIW.M
100			_aTiwari,S.K
245			_aMining and Environmental science
260			_aNewDelhi _bAtlantic _c2021
942			_cBK
999			_c652559 _d652559