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\bibitem{Zavala-Hidalgo_etal2002} Zavala-Hidalgo, J., Morey, S. L., \& O{\textquoteright}Brien, J. J. (2002). \textit{A numerical study of the circulation on the western shelf of the Gulf of Mexico}  (H. Ritchie, Ed.). Research Activities in Atmospheric and Ocean Modeling. Geneva, Switzerland: WMO.

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