Nowakowski, J.K., Szulc, J. and Remisiewicz, M. 2014. The further the flight, the longer the wing: relationship between wing length and migratory distance in Old World reed and bush Warblers (Acrocephalidae and Locustellidae). Ornis Fennica. 91, 3 (Sep. 2014), 178–186. DOI:https://doi.org/10.51812/of.133854.