@book
{TN_libero_mab2,
author = {
Morgan, T. J.
Harris, Lionel H.
},
title = {
Telecommunication Economics
},
edition = {
1. publ.
}
,
publisher = {Macdonald},
keywords = {
Telephone
},
year = {1958},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}