The Astrophysical Journal
Gray and Marvel published a 2001 paper in "The Astrophysical Journal" detailing his use of the VLA in search of the signal. Gray and Ellingsen published "A Search for Periodic Emissions at the Wow Locale" in the October 2002 issue of "The Astrophysical Journal", reporting on searches for the Wow! signal. In 2011, Gray published the book "The Elusive Wow: Searching for Extraterrestrial Intelligence", summarizing what is known about the Wow! signal, covering his own search for the signal, and offering an overview of the search for extraterrestrial intelligence.