Analysis of information sources in references of the Wikipedia article "Yosef Porat" in English language version.
{{cite web}}: CS1 maint: archived copy as title (link) Name Index to Jeremy Gaige's Chess Tournament Crosstables, An Electronic Edition, Anders Thulin, Malmö, 2004-09-01{{cite web}}: CS1 maint: archived copy as title (link) Name Index to Jeremy Gaige's Chess Tournament Crosstables, An Electronic Edition, Anders Thulin, Malmö, 2004-09-01