TY - BOOK AU - Massam,Peter TI - Managing service level: quality across wireless and fixed networks SN - 0470848480 AV - TK5105.5 .M37 2003 PY - 2003/// CY - Chichester PB - Wiley KW - Computer networks KW - Management KW - Wireless communication systems KW - Cellular telephone systems KW - Customer services ER -