@book{bdf219a6358542b9818d063b22b31f5e,
title = "Numbers and distribution of wintering waterbirds in the Western Palearctic and Southwest Asia in 1997, 1998 and 1999; results from the international waterbird census",
keywords = "vogels, watervogels, monitoring, inventarisaties, overwintering, zuidwest-azi{\"e}, ecologie, fauna, ornithologie, trekvogels, Europa, Azi{\"e}, Noord-Afrika, birds, waterfowl, monitoring, inventories, overwintering, south west asia, fauna",
author = "N. Gilissen and L. Haanstra and S. Delany and G. Boere and W. Hagemeijer",
year = "2002",
language = "English",
isbn = "9789058820112",
publisher = "Wetlands International",
number = "no. 11",
}