title: Copied citations give impact factors a boost.
authors.forename: Tom
authors.initials: T
authors.lastname: Clarke
mesh_terms: D001319:Authorship; D015706:Bibliometrics; D008962:Models, Theoretical; D017712:Peer Review, Research; D010825:Physics / Q000592:standards; D011643:Publishing; D012106:Research / Q000592:standards*