Vuonna 1960 Eugene Garfieldin Institute for Scientific Information (ISI) loi ensimmäiset tieteellisten lehtien viittaustietokannat, joista ensimmäinen oli Science Citation Index.
In 1960, Eugene Garfield's Institute for Scientific Information (ISI) introduced the first citation index for papers published in academic journals, first the Science Citation Index (SCI), and later the Social Sciences Citation Index (SSCI) and the Arts and Humanities Citation Index (AHCI).WikiMatrix WikiMatrix