@article{aarts1991calculation, title = {Calculation of the Loudness of Loudspeakers during Listening Tests}, author = {Aarts, Ronald M.}, journal = {J. Audio Eng. Soc}, volume = {39}, number = {1/2}, pages = {27--38}, year = {1991}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5998} }