@book
{TN_libero_mab2,
author = {
Oravas, Gunhard Ae
},
title = {
Lectures on the history of technology and engineering
1
},
publisher = {Olms},
isbn = {3487117444},
year = {2004},
address = {
Hildesheim
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}