@book{32969d4694584fcf9570f1f77904061f,
title = "Knobbelzwanen in Noord- en Zuid-Holland; een modelmatige benadering van de aantalsontwikkeling bij verschillende beheerscenario's",
keywords = "cygnus olor, vogels, zwanen, populatiedichtheid, populatiedynamica, populatie-ecologie, populaties, beweidingsschade, subsidies, jagen, landbouw, modellen, wildbeheer, nederland, noord-holland, zuid-holland, cygnus olor, birds, swans, population density, population dynamics, population ecology, populations, browsing damage, subsidies, hunting, agriculture, models, wildlife management, netherlands, noord-holland, zuid-holland",
author = "B.S. Ebbinge and J.A.P. Heesterbeek and J.H. Beekman",
year = "1998",
language = "Nederlands",
publisher = "IBN-DLO",
number = "375",
address = "Netherlands",
}