@misc
{TN_libero_mab2,
author = {
Vitousek, Peter M.
},
title = {
Nutrient Limitation to Nitrogen Fixation in Young Volcanic Sites
},
publisher = {Springer-Verlag},
isbn = {1432-9840},
isbn = {1435-0629},
year = {1999},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}