iFQ – Co-authors and international Co-operation

Co-authors and international Co-operation
Quotient of contributions with a singel author


1980	1990	2000
Medium number of authors per contribution


Source: Glänzel. W. & Schubert, A. (2004): Analyzing Scientific Networks Through Co-Authorship. In: Moed, H.F. et al.: Handbook of Quantitative Science and Technology Research, 257-276