Gallagher M.D
Mobile Telecommunications Networking with IS-41 - NY McGrawHill 1997 - 431
ГФ-15868
Англи хэл дээр,
0-07-063314-2
personal communication service systems mobile communication systems network implementations
Mobile Telecommunications Networking with IS-41 - NY McGrawHill 1997 - 431
ГФ-15868
Англи хэл дээр,
0-07-063314-2
personal communication service systems mobile communication systems network implementations