@conference{hauser2008commercial, title = {Commercial Low Frequency Absorbers - A Comparative Study}, author = {Hauser, Gabriel and Noy, Dirk and Storyk, John}, booktitle = {Audio Engineering Society Convention 124}, month = {May}, year = {2008}, url = {https://www.aes.org/e-lib/browse.cfm?elib=14561} }