Kyutoku, K., Fujibayashi, S., Hayashi, K., Kawaguchi, K., Kiuchi, K., Shibata, M., et al. (2020). On the Possibility of GW190425 Being a Black Hole-Neutron Star Binary Merger. Astrophysical Journal Letters, 890(1): L4. doi:10.3847/2041-8213/ab6e70.