Hewett David P, Svensson U Peter
Mathematical Institute, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford, OX2 6GG, United Kingdom.
Acoustics Research Centre, Department of Electronics and Telecommunications, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
J Acoust Soc Am. 2015 Mar;137(3):1605. doi: 10.1121/1.4908215.