2Tim Brody, Stevan Harnad, et al. The Access/Impact Problem and the Green and Gold Roads to Open Access[ EB]. http://users. ees. soton. ac. uk/- harnad/Temp/impact. html. 2007 - 5 - 20.
3The Directory of Open Access & Hybrid Journals [ EB], http:// www. doaj. org. 2007 - 5 - 28.
3Jean-Claude Guédon.In Oldenburg's Long Shadow:Librarians,Research Scientists,Publishers,and the Control of Scientific Publishing.http://www.arl.org/arl/proceedings/138/guedon.html
4Peter Suber and Subbiah Arunachalam.Open Access to Science in the Developing World.http://www.earlham.edu/～peters/writing/wsis2.htm
5Herbert Van de Sompel,et al.Rethinking scholarly communication:building the system that scholars deserve.D-lib,2004,(9).http://www.dlib.org/dlib/september04/vandesompel/09vandesompel.html
6An ACRL White Paper:Open Access and the ACRL Serial Publishing Program,June 2004.
7Peter Suber.Lists Related to the Open Access Movement.http://www.earlham.edu/～ peters/fos/lists.htm # declarations
8Peter Suber and Subbiah Arunachalam.Open Access to Science in the Developing World.http://www.earlham.edu/～ peters/writing/wsis2.htm
9Open Access to Knowledge in the Sciences and Humanities:Signatorieshttp://www.zim.mpg.de/openaccess-berlin/signatories.html
