@misc
{TN_libero_mab2,
author = {
Smith, Eric B.
},
title = {
Adjustable earplug
},
publisher = {Acoustical Society of America (ASA)},
isbn = {0001-4966},
keywords = {
Acoustics and Ultrasonics
,
Arts and Humanities (miscellaneous)
},
year = {2003},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}