Journal article (2007) - MR Mashego (author), K Rumbold (author), M De Mey (author), E Vandamme (author), W Soetaert (author), J.J. Heijnen (author), Joseph J. Heijnen (author), Sef Heijnen (author), JJ Heijnen (author), J. J. Heijnen (author)