Julian S. Huxley, "The courtship-habits of the Great Crested Grebe (Podiceps cristatus); with an addition to the theory of sexual selection," Proceedings of the Zoological Society 35(1914): 491-562.
Julian S. Huxley, "The courtship-habits of the Great Crested Grebe (Podiceps cristatus); with an addition to the theory of sexual selection," Proceedings of the Zoological Society 35(1914): 491-562.