5[1]Peter Lyman.Archiving the World Wide Web.Available at http://www.digitalpreservation.gov/ndiipp/repor/repor_back_web.html.
6[2]Amy Friedlander.The National Digital Information Infrastructure Preservation Program.Available at http://www.dlib.org/dlib/april02/friedlander/04friedlander.html.
7[3]William Y.Arms.Web Preservation Project:Interim Report.Available at http://www.cs.cornell.edu/wya/LC—web/interim.doc.
8[4]William Y.Arms and Roger Adkins,etc..Collecting and Preserving the Web:The Minerva Prototype.Available at http://www.rlg.org/preserv/diginews/diginews5—2.html.
9[5]Winston Tabb.The Library of Congress:Digital Opportunities in the 21st Century.International Conference at Beijing from July 8 —11:Digital Library:IT Opportunities and Challenges in the New Millennium.
10[6]National Research Council Computer Science and Telecommunications Board,LC21:A Digital Strategy for the Library of Congress,2.
