Kim, Y.J., Kim, J., Choi, W.K., & Lee, K.T. (2002). Mechanism on the decreasing trend of methane in the upper stratosphere. Journal of Korea meteorological Society, Vol. 38, No. 1, 39-58. https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART000875310