135. Garfield, Eugene, Sher, Irving H., Foeman, G.H., Revesz, G.S., Romanec, Michael J., Warner, Andrea, and McKinney, Martha. "CA Efficiency Challenged”, Chemical and Engineering News, 45 (10) p. 6-7, 1967, 1967

135. Garfield, Eugene, Sher, Irving H., Foeman, G.H., Revesz, G.S., Romanec, Michael J., Warner, Andrea, and McKinney, Martha. "CA Efficiency Challenged”, Chemical and Engineering News, 45 (10) p. 6-7, 1967, 1967, Box: 91, Folder: 42. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20915 Accessed October 18, 2024.