Robert A. Scholtz. The Spread Spectrum Concept. IEEE Transactions on Communications, 25(8):748-755, 1977. [doi]
@article{Scholtz77, title = {The Spread Spectrum Concept}, author = {Robert A. Scholtz}, year = {1977}, doi = {10.1109/TCOM.1977.1093907}, url = {https://doi.org/10.1109/TCOM.1977.1093907}, researchr = {https://researchr.org/publication/Scholtz77}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Communications}, volume = {25}, number = {8}, pages = {748-755}, }