@book
{TN_libero_mab2,
author = {
Yankova, Ivanka Vasileva
},
title = {
The modern library
the university library in contemporary education
},
publisher = {St. Kliment Ohridski University Press},
isbn = {9540721059},
year = {2004},
address = {
Sofia
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}