Journal article (2005) - FHL Koppens (author), JA Folk (author), JM Elzerman (author), R. Hanson (author), LH Willems van Beveren (author), IT Vink (author), HP Trazitz (author), W Wegscheider (author), Leo P. Kouwenhoven (author), L.M.K. Vandersypen (author)