66. Garfield, Eugene. "Citation Indexes - Closing the Information Gap Between the Pure and Applied Sciences". Presentation at the Annual Meeting of the American Society for Engineering Education, Philadelphia, Pennsylvania, 1963 June 17-21, 1962-2000

66. Garfield, Eugene. "Citation Indexes - Closing the Information Gap Between the Pure and Applied Sciences". Presentation at the Annual Meeting of the American Society for Engineering Education, Philadelphia, Pennsylvania, 1963 June 17-21, 1962-2000, Box: 90, Folder: 31. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20845 Accessed November 28, 2024.