@conference{Blondel-2013-4736,
  author = {Blondel, P and Williamson, B},
  title = {Long-Term Multibeam Measurements Around a Tidal Turbine Test Site in Orkney, Scotland},
  year = {2013},
  month = {aug},
  series = {Institute of Acoustics Annual Spring Conference (ACOUSTICS 2013)},
  pages = {322--329},
  address = {Nottingham, UK},
  publisher = {Curran Associates Inc},
  url = {http://opus.bath.ac.uk/37168/},
  keywords = {Marine Energy, Tidal, Birds, Fish, Marine Mammals},
}