@book
{TN_libero_mab2,
author = {
Graff, Heinz
},
title = {
Electrical engineering fundamentals
},
publisher = {Edition},
year = {19XX-},
booktitle = {Technical fundamentals},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}