Rory Smith, Ssohrab Borhanian, Bangalore Sathyaprakash, Francisco Hernandez Vivanco, Scott Field, Paul Lasky, Ilya Mandel, Soichiro Morisaki, David Ottaway, Bram Slagmolen, Eric Thrane, Daniel Töyrä, Salvatore Vitale
Published as Phys. Rev. Lett. 127, 081102 (2021). Preprint: arXiv:2105.04422