@article{burhans1972pseudo, title = {Pseudo-Noise Timbre Generators}, author = {Burhans, Ralph W.}, journal = {J. Audio Eng. Soc}, volume = {20}, number = {3}, pages = {174--184}, year = {1972}, url = {https://www.aes.org/e-lib/browse.cfm?elib=2086} }