@misc
{TN_libero_mab2,
author = {
Weeks, Jeffrey R.
},
title = {
The Twin Paradox in a Closed Universe
},
publisher = {Informa UK Limited},
isbn = {0002-9890},
isbn = {1930-0972},
keywords = {
General Mathematics
},
year = {2001},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}