000 00454nam a2200181Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c798
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040 _aET
082 _a550.076 SIN A
100 _aSingh , Amaresh
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245 0 _aGate - geology and geophysics
250 _a5th
260 _bHimalya Pulishing .House
_aMumbai
_c2020
300 _a868p.
500 _a59306
700 _aMishra, Jitendra
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942 _cBK
999 _c65269
_d65269