Lee, C. E., Yang, Y. W., Liaw, T. M., & Duh, T. S. (1985). The Neutral Higgs Meson in the Standard Electroweak Theory. Chinese Journal of Physics, 23(4), 284-292. https://www.airitilibrary.com/Article/Detail?DocID=05779073-198512-201304150001-201304150001-284-292