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168. Garfield, Eugene, Revesz, Gabrielle S., Dorr, Hayes A., Calderon, Miriam M., and Warner, Andrea. "Sub-Structure Searching Using the Index Chemicus Registry System". Paper presented at 4th Middle Atlantic Regional Meeting, ACS, Washington D.C., 1969 February, 1969, Box: 92, Folder: 15. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20943 Accessed November 28, 2024.