000 00297nam a22000977a 4500
008 230711b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aIndian journal of science & industry
260 _aKarnal:
_bMrs. Sudha Goel,
_c1967
942 _cCR
999 _c51437
_d51437