Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Anthony F. J. van Raan, H. P. F. Peters. Dynamics of a scientific field analysed by co-subfield structures. Scientometrics, 15(5-6):607-620, 1989. [doi]