Small comet theory melts under scrutiny
http://www.sciencenews.org/pages/pdfs/data/1998/153-23/15323-07.pdf
UI researcher fails to detect small comets
http://news-releases.uiowa.edu/1999/december/1216mutelcomets.html
‘Snowball Comets’ Are Just Camera Noise, Berkeley Researchers Say After Analyzing Dark Pixels In Iowa Data
http://www.sciencedaily.com/releases/1998/09/980910074516.htm