000 00532nam a22001817a 4500
008 230314b |||||||| |||| 00| 0 eng d
020 _a817169358X
040 _aNational Science Library
_cNational Science Library
080 _aD 025.7/.9
_bN5
100 _aChopra, H S
_92441
245 _aLibrary conservation
260 _aNew Delhi:
_bCommonwealth Publishers,
_c1995
300 _axiv, 162p.
490 _aModern library science series
_v10
650 _aLibrary science
653 _aInformation science
942 _2udc
_cBK
999 _c8386
_d8386