217 84e684c7-2bec-4323-8f75-9cb1378f10ba The Oligopoly of Academic Publishers in the Digital Era Vincent Larivière Stefanie Haustein Philippe Mongeon calibre (4.11.1) [https://calibre-ebook.com] 2015-01-02T12:00:00+00:00 10.1371/journal.pone.0127502 en politicisingpiracy