Dieet van de otter (Lutra lutra ssp. lutra)
Balk, A. (Student); Annegarn, M. (Student); Meiners, A.C.; Strijkstra, A.M.
A diet study of the Eurasian otter (Lutra lutra) based on spraint analysis
Hermsen, J. (Student); Maarseveen, A. van (Student); Strijkstra, A.M.; Heijer, M.E. den