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-30 Apr,1999
362 _a58-58
_b01-Apr
942 _2ddc
_cJ
999 _c188221
_d188221