83. Garfield, Eugene and Sher, Irving H. "Article-by-Article Coverage of Selected Abstracting Services". Published by the Institute for Scientific Information, Philadelphia, Pennsylvania, p. 1-128, 1964 October. Report based on work done by ISI under NSF contract C-332, 1964

83. Garfield, Eugene and Sher, Irving H. "Article-by-Article Coverage of Selected Abstracting Services". Published by the Institute for Scientific Information, Philadelphia, Pennsylvania, p. 1-128, 1964 October. Report based on work done by ISI under NSF contract C-332, 1964, Box: 90, Folder: 46. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20860 Accessed November 24, 2024.