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\bibitem{Krishnamurti_etal1999} Krishnamurti, T. N., Kishtawal, C., LaRow, T. E., Bachiochi, D., Zhang, Z., Williford, C., et al. (1999). Improved Skill for Weather and Seasonal Climate Forecasts from Multi-Model Super Ensemble. \textit{Science}, \textit{285}(5433), 1548--1550.

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