@book
{TN_libero_mab2,
author = {
Pennsylvania Transportation Institute University Park, Pa
},
title = {
The Pennsylvania Transportation Institute status report
1975-1976
},
publisher = {Pennsylvania State University},
year = {1976},
address = {
[Philadelphia], Pa
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}