1. Anonymous .1999 .Policy on papers' contributors .Nature,399:393 .
2. B. Cronin, 2001 .Hyperauthorship: a postmodern perversion or evidence of a structural shift in scholarly communication practices? J Am Soc Inf Sci Tech,52:558 -69 .
3. BJ Culliton .1988 .Authorship, data ownership examined .Science,242:658 .
4. PJ Davis, and RI Gregerman .1969 .Parse analysis: a new method for the evaluation of investigators' bibliographies .New Engl J Med,281:989 -90 .
5. A. Flanagin, LA Carey, and PB Fontanarosa .et al.1998 .Prevalence of articles with honorary authors and ghost authors in peer-reviewed medical journals .JAMA,280:222 -24 .