Zimmermann, W. Julkaisussa Diving Research Worldwide: 1st Symposium for Researchers in Diving May 08-09, 2013, Leipzig, Germany (2013)
Zimmermann, W. Julkaistu 2007
Zimmermann, W. Julkaisussa 1. FINA World Diving Conference 9.-12.11.2006 in Athens (2006)
Zimmermann, W. Julkaistu 1997