TY - BOOK T1 - The preservation challenge a guide to conserving library materials T2 - Professional librarian series A1 - Morrow, Carolyn Clark A2 - Walker, Gay LA - English PP - White Plains, N.Y. PB - Knowledge Industry Publications YR - 1983 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217605943715 OP - 231 CN - Z 701 M68 SN - 6729003X KW - Library materials : Conservation and restoration : Handbooks, manuals, etc. ER -