@misc
{TN_libero_mab2,
author = {
Wojcik, Jacek J.
AND
Przybysz, Andrzej
AND
Milton, Peter R.
},
title = {
Telephone hearing aid
},
publisher = {Acoustical Society of America (ASA)},
isbn = {1520-8524},
isbn = {0001-4966},
keywords = {
Acoustics and Ultrasonics
,
Arts and Humanities (miscellaneous)
},
year = {1987},
}