@conference{margolis1980personal, title = {Personal Calculator Programs for Approximate Vented-Box and Closed-Box Loudspeaker System Design}, author = {Margolis, Garry and Small, Richard H.}, booktitle = {Audio Engineering Society Convention 66}, month = {May}, year = {1980}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3725} }