Jon Peterson. A Presence-based GEOPRIV Location Object Format. RFC, 4119:1-24, December 2005. [doi]
@article{rfc4119, title = {A Presence-based GEOPRIV Location Object Format}, author = {Jon Peterson}, year = {2005}, month = {December}, doi = {10.17487/RFC4119}, url = {https://doi.org/10.17487/RFC4119}, researchr = {https://researchr.org/publication/rfc4119}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {4119}, pages = {1-24}, }