Heine, Gunnar GSM networks protocols, terminology, and implementation - Boston, Mass. Artech House 1999 - 416 p ISBN: 9780890064719 Subjects--Topical Terms: Communication Engineering LC Class. No.: 621.38456 HEI 1999 Dewey Class. No.: 621.38456 HEI 1999 National Library of Medicine Call No.: 621.38456 HEI 1999