The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Francisco, CA, USA. IEEE: 3515-3518; ISBN 978-0-7803-8439-2
Federal Institute for Occupational Safety and Health and Occupational Medicine (BAuA),
Schriftenreihe der Bundesanstalt für Arbeitsschutz und Arbeitsmedizin, FB1019: 1-64