000 00283nam a2200133Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c350
040 _aET
100 _aSingh , Prabin
245 0 _aGeology
260 _bKatson Books
_aNEW DELHI
500 _a59680
942 _cBK
999 _c65643
_d65643