B. I. Tieleman, T. H. Dijkstra, J. R. Lasky, R. A. Mauck, G. H. Visser and J. B. Williams. (2006). Physiological and Behavioural Correlates of Life-History Variation: A Comparison between Tropical and Temperate Zone House Wrens. Functional Ecology, 20(3), 491–499.
doi:10.2307/3806540
