[1]
Kahlert, J., Leito, A., Laubek, B., Luigujõe, L., Kuresoo, A., Aaen, K. and Luud, A. 2012. Factors affecting the flight altitude of migrating waterbirds in Western Estonia. Ornis Fennica. 89, 4 (Dec. 2012), 241–253. DOI:https://doi.org/10.51812/of.133812.