000 00305nam a22001097a 4500
008 230317b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD02, N9
100 1 _93516
_6Sharma, B.K
245 _aLibrary & information science
942 _2udc
_cBK
999 _c65160
_d65160