@inbook{f3eec1d5a1334d16bed506e5c9d9da91,
title = "Grasslands as habitats for butterflies in Europe",
author = "\{Wallis de Vries\}, M.F. and \{van Swaay\}, C.A.M.",
note = "09-3241",
year = "2009",
doi = "10.1163/9789004278103\_004",
language = "English",
isbn = "9789050113168",
pages = "26--34",
editor = "P. Veen and R. Jefferson and \{De Smidt\}, J. and \{van der Straaten\}, J.",
booktitle = "Grasslands in Europe – of high nature value",
publisher = "KNNV Publishing",
address = "Netherlands",
}