Strzepek, K., Major, D. C., Rosenzweig, C., Iglesias, A., Yates, D., Holt, A., & Hillel, D. (1999). New methods of modeling water availability for agriculture under climate change: The US cornbelt. Journal Of The American Water Resources Association, 35, 1639-1655. doi:10.1111/j.1752-1688.1999.tb04242.x