@article{Apfelbeck2012, author = {Apfelbeck, Beate and Kiefer, Sarah and Mortega, Kim G. and Goymann, Wolfgang and Kipper, Silke}, year = {2012}, language = {eng}, copyright = {http://creativecommons.org/licenses/by/4.0/}, title = {Testosterone Affects Song Modulation during Simulated Territorial Intrusions in Male Black Redstarts (Phoenicurus ochruros)}, issn = {1932-6203}, url = "http://dx.doi.org/10.17169/refubium-24649", }