Shera, Jesse H.Libraries and the organisation of knowledge. Ed. D. J. Foskett.Crosby Lockwood, London, 1965.
2.
Goffman, W. and Newill, V.A.Communication and epidemic processes. Proc. Roy. Soc., 298, 1967, 316-334.
3.
Goffman, W. and Warren, K.S.Dispersion of papers among journals based on a mathematical analysis of two diverse medical literatures. Nature, 221, 1969, 1205-1207.
4.
Goffman, W. and Harman, E.The mathematical approach to the prediction of scientific discovery. Nature, 229, 1971, 103-107.
5.
Brookes, B.C.Bradford's law and the bibliography of science. Nature, 224, 1969, 953-956.
6.
Brookes, B.C.The growth, utility and obsolescence of scientific periodical literature. J. Docum., 26, 1970, 283-294.
