The resulting database contained 46,590 authors. Ranked by three separate
measures: citations, papers, and citations per paper. Source dates:
1999-October 31, 2009 (fifth bimonthly period 2009). Unless otherwise
specified, all rankings have a 5 paper threshold for all measures.
CORRECTION: January 7, 2010. A slight correction
has been made to the citations, papers, and citations per paper counts for
Barnes, PJ, and Wouters, EFM.