published in 2006 by Stevan Harnad, Alma Swan, Helene Bosc, Eloy Rodrigues, Eberhard R. Hilf Journal: Euroscience Open Access Workgroup Volume: Number: Links: http://www.isn-oldenburg.de/\~{hilf/vortraege/euroscience-metrics.pdf} and http://www.isn-oldenburg.de/~hilf/pub-hilf/2006/8/euroscience-metrics.pdf
