000 00475nam a2200181 4500
020 _a
_c
082 _aBV SIR 1972.31(01-12)
100 _a
245 _aJournal of scientific and industrial research, 1972, Vol.31, No.01-12
250 _a
260 _aCouncil of Scientific & Industrial Research, New Delhi
_c1972
300 _a618
490 _a
500 _a
590 _aGimish
_b
_c
650 _aJournal of scientific and industrial research
942 _cBK
999 _c476917
_d476917