@book
{TN_libero_mab2,
author = {
Wetmore, Alexander
},
title = {
Water, prey, and game birds of North America
},
edition = {
2. pr.
}
,
publisher = {National Geographic Soc.},
keywords = {
Nordamerika
,
Vögel
},
year = {1973},
booktitle = {Natural Science Library},
address = {
Washington D.C.
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}