Find single citations using the context menu.
***Unofficial Crossref Search***
Adds a new right-click (command-click for Mac) context menu option to search for a highlighted bibliographic reference. A new browser tab is opened when the reference is found. Behind the scenes, the search is executed using Crossref's search service, http://search.crossref.org. Code: https://github.com/GlobalNamesArchitecture/biblio-chrome