1. See for example National Science Board, (1983),Science indicators, 1982, Washington, D. C. NSB/NSF; this same series for other years; and the reference in Note 2..
2. B. R. MARTIN, J. IRVINE, Assessing basic research, some partial indicators of scientific progress in radio astronomy,Research Policy, 12 (1983) 61.
3. D. DE SOLLA PRICE,Little Science, Big Science. Columbia University Press, 1963, 118 p. (Reprinted in Columbia Paperback Edition, 1965).
4. H. W. MENARD,Science: Growth and Change, Harvard University Press, 1971, Cambridge, Mass., p. 215. D. H. HALL, History of the Earth Sciences during the Scientific and Industrial Revolutions, Elsevier Scientific Publishing Co., 1976, p. 297.
5. Recent references to these articles are: Energy Research and Development Administration (ERDA), 1975. Statistical Data of the Uranium Industry, USA; Energy Information Administration (EIA), 1984. Uranium Industry Annual, Washington, D. C., 144; R. T. WHILLANS. Uranium.Canadian Mining Journal, February issue (1986) 83–85. Earlier references can be followed back in these series. (For theCanadian Mining Journal, see the February issue each year).