The Use of radar at sea / edited by F.J. Wylie ; foreword to the first edition by Sir Robert Watson-Watt. Wylie, F, J. Wylie, Francis James. Institute of Navigation (Great Britain) Radar in navigation. VK560 .W9 1968 623.893 20 WYU At head of title: The Institute of Navigation. London : Hollis & Carter, 1968. 1968. 1968 Text xiv, 280 p., [46] p. of plates : eng