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http://sport.gadu-gadu.pl/5661519338749885477/radwanska-zdobywa-pekin1-p…
http://www.polski-tenis.pl/index.php?readmore=5778
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http://www.psych.uw.edu.pl/dla_studentow.php?id=1&sub_id=823
http://www.sportspsychology.org.pl/?p=187
http://www.sportspsychology.org.pl/?p=144
http://forum.radiowww.eu/index.php?action=recent
http://www.wykop.pl/link/1311135/fin-trener-janowicza-mieszka-w-polsce-i…
http://youngclub.agisko.pl/?p=139
http://www.tennisworldusa.org/%84Tennis-Mental-Game-Secrets-Tennis-is-very-psychological-articolo15101.html
http://www.tennisworldmagazine.com/mag/pdfcover/tennisworldmagazine_14.pdf
