@misc{misc, title  = {{Observation of gravitational waves from two neutron star-black hole coalescences}},

 url = {{}},

 year = {{2021}},

 month = {{6}},

 author = {{The LIGO Scientific Collaboration and the Virgo Collaboration and the KAGRA Collaboration and Abbott R and Abbott TD and Abraham S and Acernese F and Ackley K and Adams A and Adams C and Adhikari RX et al}},

 doi = {{10.48550/arxiv.2106.15163}},

 note = {{Accessed on 2025/10/09}}}