00789nam a22002537a 450000500170000001000110001702000190002803500110004703700160005804000120007408200120008610000250009824500820012324600060020526000260021127000400023730000200027749000650029750000540036265000210041665000170043765000550045465000260050920170124105925.0  a780126  c00a9231010735  a780126  bCen Lib/Ret  aDPLbEN  a025.171  aKathpalia, Yash Pal   aConsevationand and restoration of archive materials /cby Yash Pal Kathpalia   b   bUnescoc1973 aParis   bParis a7 place de fontenoy e75700  a231p.c20cm(Hb)  aDocumentaion, libraries and archives : studies and research   aIncludes appendix and bibliographical references   aLibrary science   aConservation  a पुस्तकालय विज्ञान  aसंरक्षण