academic article

The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution Experiment.  The Astrophysical Journal Supplement Series.  235. 2018
Light curves of the neutron star merger GW170817/SSS17a: Implications for r-process nucleosynthesis.  Science.  358. 2017