@misc
{TN_libero_mab2,
author = {
Collis, Betty
AND
Moonen, Jef
},
title = {
Flexible Learning in a Digital World
},
publisher = {Informa UK Limited},
isbn = {0268-0513},
isbn = {1469-9958},
year = {2002},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}