<https://space.mit.edu/publications/einsteinhome-search-for-periodic-gravitational-waves-in-ligo-s4-data/#webpage>
<http://schema.org/dateModified>
"2018-10-31T08:14:49-04:00"^^<http://schema.org/Date>
<https://space.mit.edu/publications/einsteinhome-search-for-periodic-gravitational-waves-in-ligo-s4-data/>