189. Garfield, Eugene, Revesz, Gabrielle S, Granito, Charles E., Dorr, Hayes A., Calderon, Miriam M., and Warner, Andrea. "Index Chemicus Registry System -- Pragmatic Approach to Substructure Chemical Retrieval”, Journal of Chemical Documentation, 10 (1) p. 54-58, 1970, 1970

189. Garfield, Eugene, Revesz, Gabrielle S, Granito, Charles E., Dorr, Hayes A., Calderon, Miriam M., and Warner, Andrea. "Index Chemicus Registry System -- Pragmatic Approach to Substructure Chemical Retrieval”, Journal of Chemical Documentation, 10 (1) p. 54-58, 1970, 1970, Box: 92, Folder: 30. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20958 Accessed November 28, 2024.