Manavalan, Mani, and Naresh Babu Bynagari. “A Single Long Short-Term Memory Network Can Predict Rainfall-Runoff at Multiple Timescales”. International Journal of Reciprocal Symmetry and Theoretical Physics, vol. 2, Mar. 2015, pp. 1-7, https://upright.pub/index.php/ijrstp/article/view/39.