1. The North American monsoon;Adams;Bulletin of the American Meteorological Society,1997
2. Unconventional energy resources: 2015 review;American Association of Petroleum Geologists;Natural Resources Research,2015
3. Arches and Canyonlands National Parks 2016 Traffic Congestion Management Plan for Arches and Canyonlands National Park Department of the Interior Moab, Utah, USA
4. Arizona Hospitality Research & Resource Center 2011 2011 Navajo nation visitor survey Northern Arizona University, Center for Business Outreach, The W.A. Franke College of Business Flagstaff, Arizona, USA
5. Combined effects of climate and land-use change on the future of humid tropical forests;Asner;Conservation Letters,2010