00404nam a2200133Ia 450000500170000000800410001702000180005808200180007610000230009424500760011726000420019330000100023570000250024520260205055959.0260111s9999||||xx |||||||||||||| ||und||  a9788180641763  a025.84  C349P  aChakraborty, Abira 0aPreservation and restoration of library materials: types and techniques  aKolkatabProgressive publishersc2011  a136p.  aChakrabarti, Biplab/