000 00332nam a22000977a 4500
008 230706b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aIndian jouranl of pure & applied physics
260 _aNew Delhi:
_bCouncil of scientific & industrial research,
_c1975
942 _cCR
999 _c50054
_d50054