@misc
{TN_libero_mab2,
author = {
Betts, David S
},
title = {
UCCA's missing degrees?
},
publisher = {IOP Publishing},
isbn = {0953-8585},
isbn = {2058-7058},
keywords = {
General Physics and Astronomy
},
year = {1992},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}