@conference{quiring1984proposed, title = {Proposed Criteria for the Balance Between Direct Speech Communication and Ambient Noise in Restaurants and Cafeterias}, author = {Quiring, K. B. and Pekrul, D. A.}, booktitle = {Audio Engineering Society Convention 75}, month = {Mar}, year = {1984}, url = {https://www.aes.org/e-lib/browse.cfm?elib=11664} }