1. Shang, Y., W. Ruml, Y. Zhang, and M. Fromherz. "Localization from Mere Connectivity." Proceedings of ACM MOBIHOC 2003, pg.: 201–212.
2. Polk, J., Schnizlein, J., Linsner, M., "Dynamite Host Configuration Protocol Option for Coordinate-based Location Configuration Information," RFC 3825, July 2004.
3. Peterson, J., "A Presence-based GEOPRIV Location Object Format," RFC 4199, December 2005.