Barak Shenhav Ariel Solomon Doron Lancet Ran Kafri Early Systems Biology and Prebiotic Networks. 14-27 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3380&spage=14 2005 1 T. Comp. Sys. Biology db/journals/tcsb/tcsb1.html#ShenhavSLK05 journals/tcsb/2005-1