000 00382cam a2200157ua 4500
020 _a81-7169-358-X
082 _a025.84
_bCHO/L
100 _aChopra,H.S
245 0 0 _aLibrary conservation
260 _aNew Delhi
_bCommon Wealth
_c1995
300 _axiv,162p.
500 _aIncludes index.
650 _aPreservation- library materials
650 0 _aLibrary science
942 _cBK
999 _c1166
_d1166