@misc
{TN_libero_mab2,
author = {
Nilsson, Leif
},
title = {
Changes in numbers and distribution of wintering Long-tailed Ducks Clangula hyemalis in Swedish waters during the last fifty years
},
publisher = {Ornis Svecica},
isbn = {2003-2633},
isbn = {1102-6812},
keywords = {
Animal Science and Zoology
},
year = {2016},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}