title: Treating medieval manuscripts as fossils.
authors.forename: Nicholas D
authors.initials: ND
authors.lastname: Pyenson
authors.forename: Lewis
authors.initials: L
authors.lastname: Pyenson
mesh_terms: D049691:History, Medieval; D008373:Manuscripts as Topic / Q000266:history*; D012586:Science / Q000266:history*; D013997:Time Factors