Bole, Alan creator text 14 Amsterdam Elsevier 2014 3rd, ed. monographic 0| xvii, 533p. Provides essential information for professional mariners and seagoing marine engineers, including those undertaking electronic navigation system courses and marine operations qualifications internationally. This title serves as the comprehensive reference on equipment and techniques for radar observers using older and newer systems 623.8933 BOL 9780080977522 230518