000 00314pas a2200097 454500
008 160820b1963 xxu||||| |||| 00| 0 eng d
022 _a
245 _aBULLETIN OF THE NATIONAL GEOPHYSICAL RESEARCH INSTITUTE
260 _aNEW DELHI
_bCOUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
_c1963
906 _a
_b
_c
_dJan - Dec,2008
999 _c472145
_d472145