1. D. DE SOLLA PRICE,Little Science, Big Science, Columbia University press, New York, 1963.
2. Summed up: Federal funds for Research and Development, W., G. P. O., 1971–1983; National Patterns of Science and Technology Resources, W., G. P. O., 1984.
3. W. KENT, The big twenty and the others,Annual Review of Physical Chemistry, 26 (1975) 1.
4. Summed up: National Science Foundation Annual Report, W., G. P. O., 1956; Ibid. W. KENT, The big twenty and the others,Annual Review of Physical Chemistry, 26 (1981). NCI Fact Book, Beth. (Md), 1977; 1981.
5. Summed up: National Science Foundation Grants and Awards, W., G. P. O., 1957; Ibid. W. KENT, The big twenty and the others,Annual Review of Physical Chemistry, 26 (1981).