Books
Long, R.A., P. MacKay, W.J. Zielinski, and J.C. Ray. 2008. Noninvasive Survey Methods for Carnivores. Island Press, Washington.
Long, R.A., P. MacKay, W.J. Zielinski, and J.C. Ray. 2008. Noninvasive Survey Methods for Carnivores. Island Press, Washington.