Sen, A. K. Radar systems and radio aids to navigation [Book] / Prof. A. K. Sen, Dr. A. B. Bhattacharya. - New Delhi : Khanna publishers, 2004. - vii, 546 p. ; 22 cm. All. ISBN: 8174090819 Subjects--Topical Terms: Radar--electronic engineering.Radar. Dewey Class. No.: 621.3848