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\bibitem{Zierden_etal1999} Zierden, D. F., Bourassa, M. A., \& O{\textquoteright}Brien, J. J. (1999). \textit{Cyclone Surface Pressures and Frontogenesis from NASA Scatterometer (NSCAT) Winds}  (H. Ritchie, Ed.). CAS/JSC Working Group on Numerical Experimentation, Research Activities in Atmospheric and Oceanic Modeling, World Meteorological Organization. Geneva, Switzerland.

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