Research indexNotesMcGeary25 Apr 2013DOI10.1017/cbo9780511842559.014NotesMcGeary · 2013 · SubscriptionDOI10.1017/cbo9780511842559.014ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionCitations191ReferencesTopicsComputer scienceRelated papersMoreDetailsPublished, issue, languageSuggest a correction or report