The Goddard Integral Field Spectrograph at Apache Point Observatory: Current Status and Progress Towards Photon Counting
Journal article published in 2015 by
Michael W. McElwain,
Carol A. Grady,
John Bally,
Jonathan Brinkmann,
James Bubeck,
Qian Gong,
George M. Hilton,
William F. Ketzeback,
Don Lindler,
Jorge Llop Sayson,
Michael A. Malatesta,
Timothy Norton,
Bernard J. Rauscher,
Johannes Rothe,
Lorrie Straka 
and other authors.
and other authors.
