TY - BOOK AU - Timo Halonen,Javier Romero,Juan Melero AU - Melero,Juan TI - GSM,GPRS AND EDGE PERFORMANCE SN - 0470844574 U1 - 621.38456 PY - 2002/// CY - PB - John Wiley, New York KW - Mobile Communication Systems KW - Radio Telephone ER -