1. Alley WM (1984) The Palmer drought severity index: limitations and assumptions. J Clim Appl Meteorol 23:1100–1109
2. Arkansas Farm Bureau Federation (1981) Water: Its uses and the implications for Arkansas agriculture, 38
3. Arkansas Natural Resource Commission (2011) Arkansas Ground-Water Protection and Management Report for 2011. ANRC
4. Axelrod J (2012) Drought dries up 200 miles of Arkansas River, CBS Interactive Inc. http://www.cbsnews.com/video/watch/?id=7421528n . Accessed 07 Nov 2012
5. Bayazıt M, Şen Z (1977) Dry period statistics of monthly flow models. In: Proceedings of the 3rd International Symposium on Hydrology, Fort Collins, 1977