@misc
{TN_libero_mab2,
author = {
Francis, George K.
AND
Weeks, Jeffrey R.
},
title = {
Conway's ZIP Proof
},
publisher = {Informa UK Limited},
isbn = {0002-9890},
isbn = {1930-0972},
year = {1999},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}