"The GSM System for Mobile Communications", Michel Mouly et al., pp. 460-479, 508-529; 1992. |
"Straw Man for Automatic Roaming", Proposal, Electronic Industries Association, Jun. 1985. |
"Cellular Radio-Telecommunications Intersystem Operations: Automatic Roaming", EIA/TIA Interim Standard, pp. 12-13, Dec. 1991. |
M. Ballard et al., "Cellular Mobile Radio as an Intelligent Network Application," Electrical Communication, vol. 63, No. 4, pp. 389-399 (1989). |
I. Brini et al., "International Roaming in Digital Cellular Networks," CSELT Technical Reports, vol. XX, No. 6, pp. 531-536 (Dec. 1992). |
GSM Technical Specification GSM 03.12, version 3.3.0, "Location Registration Procedures". |
CCITT Recommendation Q.1051, pp. 3-13, 75-108. |
CCITT Recommendation Q.763, pp. 208-219--(ISUP (ISDN User Part)). |