@book
{TN_libero_mab2,
author = {
Whittington, H. B.
},
title = {
Two silicified carboniferous trilobites from West Texas
},
publisher = {Smithsonian Institution},
year = {1954},
booktitle = {Smithsonian miscellaneous collections ; 122,10},
booktitle = {Publication / Smithsonian Institution ; 4146},
address = {
Washington
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}