Willis, D. B., M. D. Britt, and O. A. Ramirez. “Electricity Rates, Input Use and Irrigated Cotton Profitability: A Hedonic Versus Traditional Profit Maximization Approach”. Texas Journal of Agriculture and Natural Resources, vol. 16, May 2016, pp. 64-74, https://txjanr.agintexas.org/index.php/txjanr/article/view/142.