United States. Defense Base Closure and Realignment Commission. [Memorandum of Meeting: Pittsburgh International Airport Air Reserve Station & Willow Grove Air Guard Station, Pennsylvania, July 22, 2005], text, August 1, 2005; (https://digital.library.unt.edu/ark:/67531/metadc20046/m1/1/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .