1. For example, L. L. HARGENS,Patterns of Scientific Research: A Comparative Analysis of Research in Three Scientific Fields. American Sociological Association, Washington, D. C., 1975.
2. H. A. ZUCKERMAN, R. K. MERTON, Age, Aging and Age Structure in Science, in: R. K. MERTON,The Sociology of Science, edited by N. STORER, University of Chicago Press, Chicago, 1973, pp. 497–559.
3. T. S. KUHN,The Structure of Scientific Revolutions., 2nd ed., University of Chicago Press, Chicago, 1970; J. B. LODAHL, G. GORDON, The Structure of Scientific Fields and the Functioning of University Graduate Departments,American Sociological Review, 37 (1972) 57–72.
4. D. J. de SOLLA PRICE, Citation Measures of Hard Science, Soft Science, Technology, and Non-science, in:Communication among Scientists and Engineers, C. E. NELSON, D. K. POLLACK, Eds, Heat, Lexington, Mass., 1970, pp. 1–12.
5. D. J. de SOLLA PRICE, Networks of Scientific Papers,Science, 149 (1965) 510–515.