000 00340nam a2200133Ia 4500
008 160808s2009 xx 000 0 eng d
041 _aeng
084 _aH
_2CC
100 _aSingh, G.
245 _aEarth science today /
_cby G. Singh
260 _aNew Delhi :
_bDiscovery Publishing House,
_c2009.
653 _aGeology
999 _c239261
_d239261