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Phil FP.F.BattleyPhil FP.F. i inni, Empirical evidence for differential organ reductions during trans-oceanic bird flight, „Proceedings of the Royal Society B: Biological Sciences”, 267 (1439), 2000, s. 191–195, DOI: 10.1098/rspb.2000.0986, PMID: 10687826, PMCID: PMC1690512. Errata w „Proceedings of the Royal Society B: Biological Sciences”, 267 (1461), 22 grudnia 2000, s. 2567.
John P.J.P.CroxallJohn P.J.P. i inni, Global Circumnavigations: Tracking year-round ranges of nonbreeding Albatrosses, „Science”, 307 (5707), 2005, s. 249–250, DOI: 10.1126/science.1106042, PMID: 15653503.