van der Schaar, M., Delory, E., Van der Weide, J., Kamminga, C., Goold, J.C., Jaquet, N., André, M. A comparison of model and non-model based time–frequency transforms for sperm whale click classification Journal of the Marine Biological Association of the United Kingdom, vol 87, issue 1, p.27-34, Feb 2007 Project: Noise pollution effects on cetaceans