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\bibitem{Green_etal1997} Green, P., Legler, D. M., Miranda, C., \& O{\textquoteright}Brien, J. J. (1997). \textit{The North American Climate Patterns Associated with El Nino-Southern Oscillation}. COAPS Technical Report 97-1. Tallahassee, FL: Center for Ocean-Atmospheric Prediction Studies.

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