00536nam a2200133Ia 4500 UIH_04020 231011s9999 xx 000 0 und d 621.38456 Mobile radio communications : Second and third-generation cellular and WATM systems J. Wiley 1999 Hệ thống điện thoại di động; Hệ thống truyền thông không dây; Sách Trung tâm Thư viện - Trường Đại học Công nghiệp TP. Hồ Chí Minh