131. Garfield, Eugene and Sher, Irving H. "ASCA (Automatic Subject Citation Alert) -- A New Personalized Current Awareness Service for Scientists", American Behavioral Scientist, 10 (5) p. 29-32, 1967, 1967

131. Garfield, Eugene and Sher, Irving H. "ASCA (Automatic Subject Citation Alert) -- A New Personalized Current Awareness Service for Scientists", American Behavioral Scientist, 10 (5) p. 29-32, 1967, 1967, Box: 91, Folder: 38. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20911 Accessed November 24, 2024.