When searching this article An Examination of Citation Counts in a New Scholarly Communication Environment by K Bauer, N Bakkalbasi – D-Lib Magazine, 2005 in Google Scholar you get the result cited by 8 other papers:
When checking all this 8 papers cited the Bauer et al article you well get three citations from the same source in The Scientist “The future of citation analysis”:
Google Scholar have managed to find 4 duplicates (as you can see in the last reference in link “group of 4”) and cluster them but missed two other duplicates.
One Entry to Research 
August 3, 2006 at 6:41 pm
[…] Vía One Entry to Research observo cómo Google Scholar cuenta mal las citas. Como bien muestran en el post More on implications with citation counting in Google Scholar si buscamos el artículo An Examination of Citation Counts in a New Scholarly Communication Environment vemos que lo citan, según Google Scholar, 8 veces. Si buscamos esas 8 citas observamos que de ellas tres provienen del mismo artículo: The future of citation analysis. Google Scholar ha detectado cuatro duplicados pero ha pasado dos por alto. […]