@article{smith1964linguistic, title = {Linguistic Problems in Extraterrestrial Communications}, author = {Smith, Russell F. W.}, journal = {J. Audio Eng. Soc}, volume = {12}, number = {2}, pages = {154, 156, 158, 160}, year = {1964}, url = {https://www.aes.org/e-lib/browse.cfm?elib=10303} }