@book
{TN_libero_mab2,
author = {
Kaufmann, Samuel
Bühler, Franz
AND
Michaelis, Gustav
},
title = {
Shorthand made easy
a simplified system of english stenography on the principles of W. Stolze
},
publisher = {Polhemus},
year = {1877},
address = {
New York
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}