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1913 Auerbach finds hyperbolic relationship between the rank and the size of German cities (what we nowadays call Zipf's law)
1916 Hyperbolic nature of word use (Zipf's law): J.-B. Estoup
1917 "The history of comparative anatomy": publication counts + graphical representation: F.J. Cole and Nellie Eales
1922 The term 'statistical bibliography': Wyndham Hulme
1922 Dresden's work on the publications of the Chicago section (mathematics)
1926 Lotka's law: "Frequency distribution of scientific productivity"
1927 Citation analysis: Gross & Gross
1928 Hyperbolic nature of word use: Condon
1929 Zipf's Ph.D. thesis
1932 Selected studies of the principle of relative frequency (Chinese): Zipf
1934 Sources of information on specific subjects: Bradford's law
1934 Paul Otlet uses the term 'bibliométrie' in his Traité de Documentation
1935 'The psychobiology of language'; first clear formulation of "Zipf's law" by Zipf
1936 Journal-to-journal cross-citation network: Hulsey Cason & Marcella Lubotsky
1948 Characteristics of the literature of chemistry and physics; use of 'key journals': Herman Fussler
1948 "Documentation": Bradford
1948 A mathematical theory of communication: Claude Shannon
1948 Term 'librametrics' proposed by Ranganathan
1949 Zipf: Human behavior and the principle of least effort
1954 Mandelbrot: Structure formelle des texts et communication
1955 "Citation indexes for science": Garfield
1956 Bibliographic coupling idea: Fano
1960 Index of realized research potential: Raisig
1961-1965 Bibliographic coupling: Kessler
1963 Science Citation Index
1963 Little science, big science: Price
1963 Journal impact factor: Garfield & Sher
1964 Goffman: contagion/epidemic idea
1965 "Networks of scientific papers": Price
1966 Naukometria = scientometrics: Nalimov
1966-1968 Co-mentioning = co-citation idea: Rosengren
1967 Leimkuhler function
1968 Matthew effect: Merton
1969 "Statistical Bibliography: an interim bibliography" :
Alan Pritchard
1969 The term 'bibliometrics': Alan Pritchard
1969 Equivalence of bibliometric laws (strongly suggested): Fairthorne
1972 Ortega hypothesis: Coles
1973 Social Science Citation Index
1973 Co-citation: Henry Small + Irina Marshakova
1975 Categories of citations: Moravcsik & Murugesan
1975 First international Research Forum in Information Science (IRFIS): London - B.C. Brookes
1976 Success-breeds-success: Price
1976 Journal Citation Reports
1977 Mandelbrot: "The fractal geometry of nature"
1978 Journal Scientometrics founded
1978 Arts & Humanities Citation Index
1978 Persuasiveness: Gilbert
1979 Term 'informetrics" : Nacke
1983 Co-word analysis: Callon and Courtial
1983 Evaluation of big science: Martin & Irvine
1983 Van Raan, Moed and their team perform evaluations of university research groups
1984 Eugene Garfield receives the first Derek J. de Solla Price medal (list of all awardees)
1985 Pao fitting procedure
1985 Citer motivations: Terrence Brooks
1986 Nicholls' fitting procedure
1987 First International Conference (ISSI)
1988-1992 First regional large-scale citation index (China)
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