Barcelona have the chance to bury the ghosts of 2012 against Chelsea - Barca Blaugranes

Which was the best? Barcelona's comeback against PSG(6-5) or Liverpool's comeback against Barcelona (4-3)? - Quora

On this day in 2009, Chelsea went out of the Champions League to Barcelona with a series of controversial calls from referee Tom Henning Øvrebø : r/soccer

What has happened to the Chelsea vs Barcelona referee 14 years on?

Chelsea vs Barcelona referee from previous Champions League clash reveals the fears for his safety - Mirror Online

Referee Henning opens up on controversial Chelsea vs Barca semi-final in 2009

Barcelona versus Chelsea, the ghost of Ørevbø, and unrestrained revisionism - NBC Sports

FC Barcelona News: 14 July 2012; Preseason Set To Begin on Monday, Opponent in Morocco Friendly Announced - Barca Blaugranes

Chelsea were horrible: Pedro recalls 'sad' memories of Barcelona's 2012 Champions League defeat - Mirror Online

FC Barcelona News: 29 January 2020; New Target Emerges in Striker Search, Carles Perez Passes Roma Medical - Barca Blaugranes

Chelsea's controversial Champions League defeat to Barcelona 'could have been FIXED', former Blues boss Guus Hiddink claims

FC Barcelona News: 13 December 2022; Franck Kessie returns to training, Pablo Torre wanted by Villarreal - Barca Blaugranes

Ovrebo: One Night of UCL Hell

A forensic analysis of every referee mistake in Chelsea-Barcelona, 2009

Chelsea vs Barcelona referee from previous Champions League clash reveals the fears for his safety - Mirror Online

Chelsea's Champions League referee Tom Henning Ovrebo admits mistakes in Barcelona semi-final cost Blues a place in 2009 showpiece