FUSTÉ, Enric; OBON, E.; OLID, L..
Hand-reared common swifts (Apus apus) in a wildlife rehabilitation centre: assessment of growth rates using different diets.
Journal of Zoo and Aquarium Research, [S.l.], v. 1, n. 2, p. 61-68, oct. 2013.
Available at: <http://www.jzar.org/jzar/article/view/33>. Date accessed: 24 mar. 2018.