Analysis of information sources in references of the Wikipedia article "Douglas Hofstadter" in English language version.
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: CS1 maint: archived copy as title (link). Events.latimes.com (November 22, 1963). Retrieved on 2013-10-06.{{cite web}}
: CS1 maint: archived copy as title (link). Events.latimes.com (November 22, 1963). Retrieved on 2013-10-06.