2008 journal article
Monitoring for management of conservation and recreation in Australian protected areas
Biodiversity and Conservation, 17(14), 3589–3606.
2006 conference paper
Making your visitors count: Collecting and archiving visitation data in U.S. protected areas
People, Places, and Parks: Proceedings of 2005 George Wright Conference on Protected Areas, 236–241. Hancock, MI: George Wright Society.