@misc{indiciae32c85fa2ca23, title = {Physical acoustics}, author = {Dean, L. W., III and Ingard, K. U. and Katyl, R. H. and Macon, J. L. and Manheimer, W. M.}, year = {1967}, url = {https://ntrs.nasa.gov/citations/19670013322}, note = {Source identifier: 19670013322} }