Pierotti, M. E. R., Martín-Fernández, J. A., & Seehausen, O. (2009). Mapping individual variation in male mating preference space: multiple choice in a color polymorphic cichlid fish. Evolution, International Journal of Organic Evolution, 63(9), 2372-2388. https://doi.org/10.1111/j.1558-5646.2009.00716.x