00654nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001400102100002200116245005600138260004400194300002000238490005300258650004500311700002700356830005300383CHAP20220329140432.0971013s1970            r     00010     d  a51903  a52875  a57025  cCHAP  a025.7bW500aWinger, Howard W.  aDeterioration and preservation of library materials  aChicago :bUniversity of Chicago,c1970  a200 p.b: ilus.  aUniversity of Chicago studies in library science14aLibrosxConservación y restauración.0 aSmith, Richard Daniel.0 aUniversity of Chicago studies in library science