Journal article (2010) - MG Tanner (author), CM Natarajan (author), T Zijlstra (author), T.M. Klapwijk (author), V.G. Zwiller (author), VK Pottapenjara (author), JA O'Connor (author), RJ Warburton (author), RH Hadfield (author), B Baek (author), S Nam (author), S.N. Dorenbos (author), E Bermúdez Ureña (author)