By A Mystery Man Writer
World Cup Ball Jabulani by Adidas Sparks Complaints - World Cup 2010 - TIME
Is Adidas Brazuca Ball really a better ball than the one used in 2010? : r/soccer
World Cup 2014: Wayne Rooney gives the thumbs up for the official 'Brazuca' ball after controversy of the 2010 'Jabulani', The Independent
Study shows Brazuca is better than Jabulani
Study shows Brazuca is better than Jabulani
World Cup Soccer Balls Can Be a Drag
FIFA World Cup: This Year's Ball Has the Aerodynamics of a Champion – The Wire Science
World Cup's Brazuca ball rated more stable than Jabulani
PDF) A comparison of Jabulani and Brazuca non-spin aerodynamics
The science behind the 'Brazuca': World Cup 2014 ball set to surpass the Jabulani
The science behind the football
XX pasaulio futbolo čempionatas – Vikipedija
The science of the 2014 World Cup soccer ball - Design Engineering
The Complete History of the FIFA World Cup™ Ball
Brazuca ball less erratic than the Jabulani used at South Africa, say Japanese scientists — MercoPress