Reference:

Maria Werner, LiZhe Zhu, and Erik Aurell. Cooperative action in eukaryotic gene regulation: physical properties of a viral example. Physical Review, E76, 2007.

Suggested BibTeX entry:

@article{WZA,
    author = {Maria Werner and LiZhe Zhu and Erik Aurell},
    journal = {Physical Review},
    title = {Cooperative action in eukaryotic gene regulation: physical properties of a viral example},
    volume = {E76},
    year = {2007},
}