Forstmeier, Wolfgang Abteilung Kempenaers, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Rochester, J. R., Forstmeier, W., & Millam, J. R. (2010). Post-hatch oral estrogen in zebra finches (Taeniopygia guttata): Is infertility due to disrupted testes morphology or reduced copulatory behavior? Physiology & Behavior, 101(1), 13-21. doi:10.1016/j.physbeh.2010.04.002.