PHYSICAL REVIEW LETTERS 

Observation of Gravitational Waves from a Binary Black Hole Merger

B. P. Abbott et al.*
(LIGO Scientific Collaboration and Virgo Collaboration) (Received 21 January 2016; published 11 February 2016) 

https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.116.061102