Conference paper (2013) - J. de Ridder (author) , J. Kool (author) , M.J.T. Reinders (author) , A.G. Uren (author) , J.J. Bot (author) , J de Jong (author) , AG Rust (author) , A Berns (author) , M. van Lohuizen (author) , D.J. Adams (author) , L.F.A. Wessels (author)