000 00317nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aJournal of Scientific and Industrial Research
260 _aNational Institute of Science Communication
_bNew delhi
_c1 Jan-31 Dec,1987
362 _a46-46
_b01-Dec
942 _2ddc
_cJ
999 _c189001
_d189001