1. Baerwald EF, Barclay RWR: Geographic variation in activity and fatality of migratory bats at wind energy facilities. J Mammal 2009, 90: 1341–1349. 10.1644/09-MAMM-S-104R.1
2. Belnap J: Impacts of off-road vehicles on nitrogen cycles in biological soil crusts: resistance in different U.S. deserts. J Arid Environ 2002, 52: 155–165. 10.1006/jare.2002.0991
3. Belnap J, Kaltenecker JH, Rosentreter R, Williams J, Leonard S, Eldridge D Technical Reference 1730–2. In Biological soil crusts: ecology and management. USDI, Bureau of Land Management, U.S. Government Printing Office, Denver, CO; 2001.
4. Beymer RJ, Klopatek JM: Potential contribution of carbon by microphytic crusts in pinyon-juniper woodlands. Arid Soil Res Rehabil 1991, 5: 187–198.
5. Bowman AW, Azzalini A: Applied smoothing techniques for data analysis. Oxford, UK: Clarendon; 1997.