@book
{TN_libero_mab2,
author = {
Watkins, Ryan
},
title = {
75 e-learning activities
making online learning interactive
},
publisher = {Pfeiffer},
isbn = {0787975850},
year = {2005},
abstract = {Includes index},
address = {
San Francisco, Calif.
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}