Journal article (2013) - A. Endo (author), C Sfiligoj (author), Stephen J.C. Yates (author), JJA Baselmans Baselmans (author), David Thoen (author), S.M.H. Javadzadeh (author), PP van der werf (author), Andrey M Baryshev (author), T.M. Klapwijk (author)