Donald E. Eastlake III. Electronic Commerce Modeling Language (ECML): Version 2 Requirements. RFC, 3505:1-8, March 2003. [doi]
@article{rfc3505, title = {Electronic Commerce Modeling Language (ECML): Version 2 Requirements}, author = {Donald E. Eastlake III}, year = {2003}, month = {March}, doi = {10.17487/RFC3505}, url = {https://doi.org/10.17487/RFC3505}, researchr = {https://researchr.org/publication/rfc3505}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {3505}, pages = {1-8}, }