TRY http://www.mdc-berlin.de/biblio/impact.htm
In article <4t4fdn$5p7 at franklin.its.utas.edu.au>,
Kevin.Sanderson at path.utas.edu.au says...
>>Hiya
> just wondering if anyone has any thoughts, or preferably facts, on
>what are the high impact micro journals. I believe that some
>information about a journals impact can be found in the Journal
>Citation Reports which are an annual supplement to the Science Citation
>Index. However, these reports are not included in the online version of
>the Science Citation Index and I do not have access to a printed copy.
>>Thanks in advance for any help.
>>Kev
>>Kevin Sanderson, Research Associate, Dept of Pathology, University of
>Tasmania