Evolution toward a new adaptive optimum: Phenotypic evolution in a fossil stickleback lineageDOI: info:10.1111/j.1558-5646.2007.00310.xv. 62No. 3BLACKWELL PUBLISHING700–710
Hunt, Gene, Bell, M. A., and Travis, M. P. 2008. "Evolution toward a new adaptive optimum: Phenotypic evolution in a fossil stickleback lineage." Evolution, 62, (3) 700–710. https://doi.org/10.1111/j.1558-5646.2007.00310.x.