Authors Larsen, F., Vinther, M., Krog, C. Year 2002 Journal/Publisher Name IWC Scientific Committee Volume (Issue #) IWC/SC/54/SM32 Page #s 8 Contact information Phone: +45 33 96 33 00 Fax: +45 33 96 33 33 fl@dfu.min.dk Summary Gillnets from the North Sea wreck net fishery equipped with pingers, had a 100% reduction in the bycatch of harbour porpoises, compared to nets with no pingers attached. Link http://www.cetaceanbycatch.org/Papers/larse02b.pdf