000 00250aas a2200109 454500
906 _a3013
245 _aNATIONAL GEOPHYSICAL RESEARCH INST.
260 _aNISCAIR, CSIR, New Delhi
904 _aDec,2010
907 _aB
908 _a(Subc Year 2010 )
999 _c169365
_d169365