220. Garfield, Eugene, Revesz, G. S., and Batzig, J. H. "The Synthetic Chemical Literature from 1960 to 1969”, Nature, 242 (5396) p. 307-309, 1973. Reprinted in: Current Contents, 1973 May 9; Essays of an Information Scientist, Vol. 1, p. 443, 1972, 1972

220. Garfield, Eugene, Revesz, G. S., and Batzig, J. H. "The Synthetic Chemical Literature from 1960 to 1969”, Nature, 242 (5396) p. 307-309, 1973. Reprinted in: Current Contents, 1973 May 9; Essays of an Information Scientist, Vol. 1, p. 443, 1972, 1972, Box: 92, Folder: 62. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20990 Accessed October 18, 2024.