@misc
{TN_libero_mab2,
author = {
Head, Sydney W.
AND
Martin, Leo A.
},
title = {
Broadcasting and higher education: A new era
},
publisher = {Informa UK Limited},
isbn = {0021-938X},
year = {1957},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}