Bates, Regis J. GPRS : general packet radio service / General packet radio service Regis J."Bud" Bates. - New York : McGraw-Hill, 2001. - xviii, 380 p. : ill. ; 23 cm. - McGraw-Hill telecommunications . Includes index. ISBN: 0071381880 LCCN: 2002276024 Nat. Bib. No.: GBA1-V9769 Subjects--Topical Terms: General Packet Radio Service.Cell phone systems. LC Class. No.: TK5103.82 / .B38 2001 Dewey Class. No.: 621.39/81