@book
{TN_libero_mab2,
author = {
},
title = {
Natural grasslands
A Introduction and western hemisphere
},
publisher = {Elsevier},
isbn = {0444882642},
year = {1992},
booktitle = {Ecosystems of the world ; 8A},
address = {
Amsterdam
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}