{"id":"usaf1960sbluebookhistory","URL":"https://www.theblackvault.com/casefiles/wp-content/uploads/2018/01/historyproject.pdf","type":"report","title":"Project Blue Book (history of the Air Force UFO projects)","author":[{"literal":"U.S. Air Force, Project Blue Book"}],"catalog-key":"SRC0DFY3WKAF2FV"}