@article{ citekey132,
author = {W. Liebermeister and E. Klipp and S. Schuster and R. Heinrich},
title = {A theory of optimal differential gene expression},
journal = {Biosystems},
year = {2004},
volume = {76},
pages = {261-278},
pdf = {http://pinguin.biologie.uni-jena.de/bioinformatik/fulltext/liebermeister.pdf},
pubmed_id = {15351149},
issue = {1-3}
}