Paul V. Mockapetris. Domain names: Concepts and facilities. RFC, 882:1-31, November 1983. [doi]
@article{rfc882, title = {Domain names: Concepts and facilities}, author = {Paul V. Mockapetris}, year = {1983}, month = {November}, doi = {10.17487/RFC0882}, url = {https://doi.org/10.17487/RFC0882}, researchr = {https://researchr.org/publication/rfc882}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {882}, pages = {1-31}, }