@conference{leach1978on, title = {On the Specification of Moving-Coil Drivers for Low-Frequency Horn-Loaded Loudspeakers}, author = {Leach, Jr., W. Marshall}, booktitle = {Audio Engineering Society Convention 61}, month = {Nov}, year = {1978}, url = {https://www.aes.org/e-lib/browse.cfm?elib=2949} }