000 00264nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aBallabh, Parikshit
245 0 _aTeaching Of Geology
260 _aNew Delhi
_bCyber Tech
_c2009
300 _a288p.
942 _cBK
999 _c12253
_d12253