000 00326nam a2200145Ia 4500
008 200615s9999||||xx |||||||||||||| ||und||
020 _a9788123904603
082 _a551
_bECO-U
100 _aUMESHWAR PRASAD
245 0 _aECONOMIC GEOLOGY
250 _a2ND
260 _aNEW DELHI
_bCBS
_c2018
300 _a319
942 _cBK
999 _c31316
_d31316