Bornmann, Lutz; Waltman, Ludo - In: Journal of Informetrics 5 (2011) 4, pp. 547-553
Spatial scientometrics has attracted a lot of attention in the very recent past. The visualization methods (density maps) presented in this paper allow for an analysis revealing regions of excellence around the world using computer programs that are freely available. Based on Scopus and Web of...