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Pollock, Kenneth H., Marsh, Helene , Bailey, Larissa L., Farnsworth, George L., Simons, Theodore R., and Alldredge, Mathew W. (2004) Separating components of detection probability in abundance estimation: an overview with diverse examples. In: Thompson, William L., (ed.) Sampling Rare or Elusive Species: concepts, designs, and techniques for estimating population parameters. Island Press, Washington, DC, USA, pp. 43-58.

Marsh, Helene, Lawler, Ivan R, Kwan, Donna, Delean, Steve, Pollock, Kenneth, and Alldredge, Matthew (2004) Aerial surveys and the potential biological removal technique indicate that the Torres Strait dugong fishery is unsustainable. Animal Conservation, 7. pp. 435-443.