@article{salava1974sources, title = {Sources of the Constant Volume Velocity and Their Use for Acoustic Measurements}, author = {Salava, Tomas}, journal = {J. Audio Eng. Soc}, volume = {22}, number = {3}, pages = {146--153}, year = {1974}, url = {https://www.aes.org/e-lib/browse.cfm?elib=2775} }