2Bergman,M K The Deep Web:surfcing hidden value.Communication Abstracts26 ,no. 2(2003) : 155-298.
3Singh,M P,Deep Web Structure Internet Computing,IEEE,Volume6 Issue5(Sept. -Oct. 2002)P4-5.
4Koll,Matthew Distributed searching and the Invisible Web www. infonortics, com/sealrchengines/sh01/slides- 01/koll. pdf.
5Handschuh, Siegfried ; Staab, Steffen Annotation of the Shallow and the Deep Web www. aifb. uni-karlsruhe.de/WBS/sst/Research/Publications/annotbook-cream.pdf.
6www. sowang.com/sousuo/2002-10-29. htm.
7UC Berkeley- Teaching Library Internet Workshops Invisible Web:What it is ,Why it exists ,How to find it,and Its inherent ambiguity http ://www. lib. berkeley.edu/Teaching Lib/Guides/Internet/Invisible Web. html 2002.
8Luckman L Invisible Web pathfinder and introduction,http://www.gslis.utexas. edu/lluckman/invisible/intro.html 2000.
9Carty,Susan Kinnell the Invisible Web(book review).Information Searcher v. 13 no3(2002)p. 10-11.
10Young,Terrnce I. ,Jr. The Invisible Web. Beport v. 21 nol (May/June 2002)p. 30-32.