TY - BOOK AU - Van Diggelen,Frank Stephen Tromp TI - A-GPS: assisted GPS, GNSS, and SBAS T2 - Artech House GNSS technology and applications library SN - 9781596933743 (hbk.) PY - 2009/// CY - Boston, Mass. PB - Artech House KW - Global positioning system N1 - Includes bibliographical references and index ER -