F1: Pirelli admits wet tire must be improved – AutoRacing1.com
Formula 1 action in Barcelona this week to conclude with a wet tyre test : PlanetF1
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F1 Pirelli wet tyres 2014 explained - YouTube
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Wheels and tyres
Pirelli defends wet F1 tyres after Monaco GP criticism
Pirelli Formula One tyres (L - R): Wet, Intermediate, harder slick, softer slick, pictured at the Istanbul Park Circuit, outside Istanbul, Turkey, 07 May 2011. Vettel clocked the fastest time in the
Pirelli 'can do very little' about wet tyre issues | PlanetF1 : PlanetF1
F1 tyres: details and technical data | Pirelli
Rain - Motorsport tyre | Pirelli
Pirelli's wet F1 tyres much better but inters 'destroyed' too soon
Pirelli hit back at wet weather tyre claims | GPToday.net