Brown, H., The wisdom of science: Its relevance to culture and religion, Cambridge : Cambridge University Press, 1986. Price, Derk J. de Solla, Science since Babylon, New Haven Conn : Yale University Press, 1963. Manzer, B. M., The abstract journal, 1790 -1920: Origin, development, and diffusion, Metuchen, N .J .: Scare Crow Press, 1977. Kent, A. and Lancour, H. ed., Encyclopedia of Library and Information Science: vol. Marcel Dekker Inc.:New York, 1971. Garfield, E., Citation Indexing: Its theory and application in science, technology and humanities, New York: John Wiley & Sons, 1979. Garfield, E., Caution urged in the use of citation analysis. Trends in Biochemical Sciences.2(4), 1977, N84 Liu, M., The complexities of citation practice: A review of citation studies. Journal of Documentation .49(4), 1993,370 -408.