ANIMAL BEHAVIOUR
Volume 67, Issue 2, 2004
http://www.sciencedirect.com/science/journal/00033472
1. Male-male vocal interactions and the adjustment
of song amplitude in a territorial bird
Henrik Brumm and Dietmar Todt
Pages 281-286
2. Vocal communication between male Xenopus laevis
Martha L. Tobias, Candace Barnard, Robert O'Hagan,
Sam H. Horng, Masha Rand and Darcy B. Kelley
Pages 353-365
