@article{vanhaagen1956audio, title = {Audio in Salmon Research-A Fish Detection System at Bonneville Dam}, author = {VanHaagen, Richard H.}, journal = {J. Audio Eng. Soc}, volume = {4}, number = {4}, pages = {151--158}, year = {1956}, url = {https://www.aes.org/e-lib/browse.cfm?elib=294} }