Martin Thomson, James Winterbottom. Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO). RFC, 5139:1-14, February 2008. [doi]
@article{rfc5139, title = {Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO)}, author = {Martin Thomson and James Winterbottom}, year = {2008}, month = {February}, doi = {10.17487/RFC5139}, url = {https://doi.org/10.17487/RFC5139}, researchr = {https://researchr.org/publication/rfc5139}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {5139}, pages = {1-14}, }