Nathaniel S. Borenstein. The text/enriched MIME Content-type. RFC, 1523:1-15, September 1993. [doi]
@article{rfc1523, title = {The text/enriched MIME Content-type}, author = {Nathaniel S. Borenstein}, year = {1993}, month = {September}, doi = {10.17487/RFC1523}, url = {https://doi.org/10.17487/RFC1523}, researchr = {https://researchr.org/publication/rfc1523}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {1523}, pages = {1-15}, }