National Biodiversity Data Centre: Marine species distributions in Irish coastal waters, 2013-11-20. Accessed via http://www.gbif.org/dataset/0d83ea43-5afb-4c50-af9c-fd22674338bb on yyyy-mm-dd, meer
Seasearch Crawfish, Palinurus elephas, Surveys. Marine Conservation Society, UK - UK National Biodiversity Network., meer