@inproceedings{inproceedingsae5134ce,
title   = {Acoustic absorber for ultrasonic applications},
author = {Andrade, Marco Aurélio Brizzotti and Buiochi, Flávio and Adamowski, Júlio Cezar},
year = {2005},
publisher = {SOBRAC},
booktitle   = {International Congress and Exposition on Noise Control Engineering}
}