Journal article (2008) - R Klees (author), Roland Klees (author), R. Klees (author), E. Revtova (author), E Revtova (author), B.C. Gunter (author), BC Gunter (author), B. C. Gunter (author), Brian Gunter (author), Brian C. Gunter (author), Pavel G. Ditmar (author), P.G. Ditmar (author), PG Ditmar (author), P. G. Ditmar (author), Pavel Ditmar (author), RJ Oudman (author), Hessel H.C. Winsemius (author), H. C. Winsemius (author), H.C. Winsemius (author), Hessel Winsemius (author), HC Winsemius (author), H. Winsemius (author), C. Hessel Winsemius (author), Hessel C. Winsemius (author), Hubert H.G. Savenije (author), Hubert H G Savenije (author), H. Savenije (author), Huub Savenije (author), H.H.G. Savenije (author), Hubert H. G. Savenije (author), Hubert Savenije (author), HHG Savenije (author), H. H. G. Savenije (author)