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This work was supported by the Basic Science Research Program of the National Research Foundation of Korea (Grant No. NRF-2017K1A3A7A03087790).
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An, SI. Impact of Pacific Decadal Oscillation on Frequency Asymmetry of El Niño and La Niña Events. Adv. Atmos. Sci. 35, 493–494 (2018). https://doi.org/10.1007/s00376-018-8024-7
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DOI: https://doi.org/10.1007/s00376-018-8024-7