@inproceedings{Muraki:20175G, author = "Muraki, Yasushi", title = "{Application of a Coupled Harmonic Oscillator Model to Solar Activity and El NiƱo Phenomena}", doi = "10.22323/1.301.0084", booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)", year = 2017, volume = "301", pages = "084" }