Mehrotra, Asha. GSM system engineering / Asha Mehrotra. - Boston : Artech House, c1997. - xvii, 450 p. : ill ; 24 cm. - The Artech House mobile communications series . Includes bibliographical references and index. ISBN: 0890068607 Subjects--Topical Terms: Global system for mobile communications. Dewey Class. No.: 621.3845