@misc
{TN_libero_mab2,
author = {
Matzke-Hajek, Günter
},
title = {
Philipp Wirtgen (1806-1870) Taxonom und Pflanzengeograph
},
publisher = {University Library J. C. Senckenberg},
isbn = {0366-872X},
year = {2005},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}