Journal article (2009) - E Maij (author), Just Herder (author), J.L. Herder (author), IZ Martinez (author), O Johansen (author), JH Kuiper (author), S. Roberts (author), S Sivananthan (author), JB Richardson (author), T Grunhagen (author), J Urban (author), T Douglas (author), PH Warnke (author)