February 2000. Retrieved on 2009-03-24. "As it happens, Togo had studied navalscience in Britain from 1871 to 1878, so Shimizu reasoned he must have eaten
the Imperial Japanese Navy, 1887–1941, David C. Evans, Mark R. Peattie. Naval Institute Press, Annapolis, Maryland ISBN 0-87021-192-7 The Origins of Japanese
2005-09-08 ที่ เวย์แบ็กแมชชีน, US Naval Undersea Museum Torpedo Collection เก็บถาวร 2005-02-26 ที่ เวย์แบ็กแมชชีน, US Naval Undersea Museum Super Cavitation