@misc
{TN_libero_mab2,
author = {
Berkovitz, B. K. B.
},
title = {
The structure of the periodontal ligament: an update
},
publisher = {Oxford University Press (OUP)},
isbn = {1460-2210},
isbn = {0141-5387},
year = {1990},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}