1. The word does not appear in: R. W. BURCHFIELD (Ed.),A Supplement to the Oxford English Dictionary, Oxford, At the Clarendon Press, Vol. I, 1972.
2. R. A. FAIRTHORNE, Empirical hyperbolic distributions (Bradford-Zipf-Mandelbrot) for bibliometric description and prediction,Journal of Documentation, 25 (1969) 319.
3. A. PRITCHARD, Statistical bibliography or bibliometrics?,Journal of Documentation, 25 (1969) 348.
4. E. W. HULME,Statistical Bibliography in Relation to the Growth of Modern Civilization, London, Printed for the Author by Butler & Tanner; Grafton & Company, 1923.
5. A. THACKRAY, Measurement in the Historiography of Science, in: Y. ELKANA, J. LEDERBERG, R. MERTON, A. THACKRAY, H. ZUCKERMAN (Eds),Toward a Metric of Science: The Advent of Science Indicators, New York, John Wiley & Sons, 1978, p. 11–30.