@book
{TN_libero_mab2,
author = {
Conn, Henry
},
title = {
British Buses and Trolleybuses
1950s - 1970s; the operators and their vehicles
},
publisher = {Silver Link Publishing},
year = {20XX-},
address = {
Peterborough
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}