[1] URIs can either be Uniform Resource Locators, Uniform Resource Names, or Uniform Resource Characteristics. For more information, see Uniform Resource Identifier and Uniform Resource Locator. Web site: http://www.w3.org/Addressing/.
[2] Document Object Identifier. Web site: http://www.doi.org.
[3] Persistent Uniform Resource Locator. Web site: http://www.purl.org.
[4] FAO Online Catalogue. Web site: http://www4.fao.org/faobib/index.html.
[5] Google Search Engine. Web Site: http://www.google.com/.
[6] The "Google Hack" of using wildcards was not attempted in this study. Web site: Google Hacks. Getting around the 10 word limit. O'Reilly http://hacks.oreilly.com/pub/h/125.
[7] Restructuring a dynamic site 'statically' for max Google crawlage. Web site: http://www.webmasterworld.com/forum3/10804.htm.
[8] Why we target Google? Web site: http://www.google-watch.org/bigbro.html.
[9] Metacrawler Search Engine. Web site: http://www.metacrawler.com/.
[10] International Standard Bibliographic Description. Web site: http://www.ifla.org/VI/3/nd1/isbdlist.htm
[11] AGRIS: guidelines for bibliographic description and input sheet preparation. Rome: Food and Agriculture Organization of the United Nations, Jan. 1998. Available from: ftp://ext-ftp.fao.org/GI/agris/pdf/guidelns/main.pdf.
