PLOS
com/Articles/ArticleReader.aspx?ArticleID=5552&Query=intro%20open.
Olsen, Florence (6 April 2001). “Scholars Urge Boycott of Journals That Won't Join Free Archives”. The Chronicle of Higher Education: A4.
Peek, Robin (2003). “Can Science and Nature Be Trumped?”. Information Today 20 (2): 19, 50–51.
——— (2002). “The Future of the Public Library of Science”. Information Today 19 (2): 28.
“The Scholarly Publisher as Midwife”. Information Today 18 (7): 32. (2001).
Pickering, Bobby (21 May 2004). “Medical Journals to Get Open Access Rival”. Information World Review. http://www.iwr.co.uk/iwreview/1155321.
Public Library of Science (2001). Open Letter to Scientific Publishers.