[1]
K. Vepsäläinen, “The effect of the cold spring 1966 upon the Lapwing (Vanellus vanellus) in Finland”, Ornis Fenn, vol. 45, no. 2, pp. 33–47, Jul. 1968, Accessed: Jan. 10, 2026. [Online]. Available: https://ornisfennica.journal.fi/article/view/132741