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3 张晓林 党跃武 李桂华.网络化数字化基础上的学术信息交流体系及其影响.图书馆,待发
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5 Virtual Library of Virginia(http://www.viva.va.us)
6 CIC Virtual Electronic Library(http://NTX2.cso.uiuc.edu/cic/cli/accessvel.html)
7 Galileo(http://www.galileo.peachnet.edu/galileo)
8 SEIR(http://www.co.calstate.edu/irt/seir/)
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10 Secure Socket Layer(http://home.netscape.com/eng/ssl3/index.html)
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12 Kohl,J.T.and Neuman,B.C.The Keberos Network Authentication Service,Internet RFC1510,Sept,1993(http://www.cis.ohio-state.edu/htbin/frc/rfc1510.html    
13 RFC 2459.Internet X.509Public Key Infrastructure.(http://www.cis.ohio-state.edu/htbin/frc/rfc2459.html)
14 ITU-T Recommendation X.5O9(1997E):Information Technology-Open Systems Interconnection-The Directory:
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15 Proquest’SAccess Plans.(http://www.umi.com/hp/Support/PQD/)
16 GALILEO Access Policies.(http://www.peachnet.edu/galileo/accesspol.html)
17 Indiana’s Virtual Library Inspire(http://www.inspire-indian.net/)
18 Wiseman,Norman.Implementinga National Access Mmagement System for EIectronic Scrvices.D-Lib Magazine,March.1998(http://www.dlib.org/dlib/papers/march98/03wiseman.html)
19 ATHENS(http://www.athens.ac.uk/)
20 National Electronic Site License Initiative.(http://www.nesli.ac.uk/)
21 SwetsNet.(http://www.swetsnet,nl北美http://www.swetsnet.com/)
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23 University of California Authentication& Authorization Architecture,1998
24 University of Colorado ISSCS.UMS Public Key Infrastructure Analysis.1998
25 Carnegie Mellon University NetBill.(http://www.ini.cmu.edu/netbill/)
26 Oscar PKI project(http://www.dstc.qut.edu.au/MSU/projects/pki/index.html)