[1]
Byrkjedal, I., Kyllingstad, K., Efteland, S. and Grøsfjell, S. 2012. Population trends of Northern Lapwing, Eurasian Curlew and Eurasian Oystercatcher over 15 years in a southwest Norwegian farmland. Ornis Norvegica. 35, (Feb. 2012), 16–22. DOI:https://doi.org/10.15845/on.v35i0.238.