TY - BOOK AU - Ingrid Vos, Pieter de Klein. TI - The essential guide to mobile business T2 - Essential guide series SN - 013093819X U1 - 384.53 V959 PY - 2002/// CY -  N.J PB - Prentice Hall KW - Mobile communication systems KW - Wireless communication systems KW - Business KW - Communication systems N1 - Includes index ER -