Journal article (2009) - GS Pilzak (author), B van Lagen (author), CCJ Hendrikx (author), Ernst J.R. Sudholter (author), EJR Sudhölter (author), EJR Sudholter (author), E.J.R. Sudhölter (author), Ernst Sudhölter (author), Ernst J.R. Sudhölter (author), Ernst Sudholter (author), Ernst J. R. Sudholter (author), Ernst J. R. Sudhölter (author), E.J.R. Sudholter (author), H Zuilhof (author)