Birds of Two Worlds: The Ecology and Evolution of Migration R. Greenberg, P. P. Marra . 2005. Birds of Two Worlds: The Ecology and Evolution of Migration. Johns Hopkins University Press. xviii +. 466 17 × 29 cm, hardcover, US$110.00. ISBN: 0-8018-8107-2
Ecoscience, 2006, Vol.13 (2), p.289-290 [Peer Reviewed Journal]ISSN: 1195-6860 ;EISSN: 2376-7626 ;DOI: 10.2980/1195-6860(2006)13[289:BOTWTE]2.0.CO;2
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