Journal article (2005) - JJA Baselmans (author), AM Baryshev (author), G Gol'tsman (author), SF Reker (author), M. Hajenius (author), JR Gao (author), T.M. Klapwijk (author), Y Vachtomin (author), S Maslennikov (author), S Antipov (author), B. Voronov (author)