Kayser, J., Schreck, C. F., Yu, Q., Gralka, M., & Hallatschek, O. (2018). Emergence
of evolutionary driving forces in pattern-forming microbial populations. PHILOSOPHICAL TRANSACTIONS
OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 373(1747): 20170106. doi:10.1098/rstb.2017.0106.