Saether, B.-E.; Lande, R.; Engen, S.; Weimerskirch, H.; Lillegard, M.; Altwegg, R.; Becker, P.H.; Bregnballe, T.; Brommer, J.E.; McCleery, R.H.; Merila, J.; Nyholm, E.; Rendell, W.; Robertson, R.R.; Tryjanowski, P.; Visser, M.E. (2005). Generation time and temporal scaling of bird population dynamics. AADE editors' journal, 436(7047), 99–102.