000 00510nam a22001817a 4500
003 OSt
005 20170707120556.0
008 170707b xxu||||| |||| 00| 0 eng d
020 _a9231010735
040 _aLB-BrCRDP
082 _a025.171 K29c
100 _aYash Pal Kathpalia
245 _aConservation and restoration of archive materials
260 _aParis
_bUnesco
_c1973
300 _a231p
_c21cm
520 _aConstituent materials of documents. Deterioration- causes and control
942 _2ddc
_cBK
999 _c17373
_d17373