The Royal Navy and Anti-Submarine Warfare, 1917-49
Malcolm Llewellyn-Jones
72/44, 9 October 1944, ADM 219/154; 'Notes on A/S Trials with a Fast Submarine , 'Rockabill', 10-30 October 1944', [W.H. McCrea], Report No. 80/44, 1 1 November 1944, ADM 219/160; 'Asdic Trials with HM S/M Seraph as Target', J.A. Hakes, ...