Journal article (2009) - AJ Houtepen (author), JM Gil (author), SFJ Cox (author), JS Lord (author), P Liljeroth (author), D Vanmaekelbergh (author), HV Alberto (author), RC Vilao (author), J Piroto Duarte (author), N Ayres de Campos (author), JL Gavartin (author)

Journal article (2001) - J Frunzke (author), Th Hansen (author), A Harrison (author), JS Lord (author), GS Oakley (author), D Visser (author), AS Wills (author)

Journal article (2000) - A Harrison (author), KM Kojima (author), AS Wills (author), Y Fudamato (author), MI Larkin (author), GM Luke (author), B Nachumi (author), YJ Uemura (author), D Visser (author), JS Lord (author)