North Atlantic Right Whale Sighting Survey (NARWSS) and Right Whale Sighting Advisory System (RWSAS) 2013 results summary

Christin Brangwynne Khan, Peter Duley, Allison H. Glass, Jennifer Gatzke, Timothy V. N. Cole
2014
doi:10.7289/v5pn93mk fatcat:spskhg7erfe6hbfbcodczkkuoi