This paper uses all the tools of chemical reaction networks we are talking about this week. I put my notes about CRNs from the BioControl class website, they might be useful to read the paper.
http://www.cds.caltech.edu/~elisa/CDS270-4-2010/CDS270-4-2010-Week4-1.pdf
Structural sources of robustness in biochemical reaction networks.
Shinar G (2010) Science.