Przypisy


  1. ↑ Dr. Richard Walding: Indicator loops (eng). [dostęp 17 stycznia 2008].
  2. ↑ Price, Alfred, Aircraft versus the Submarine (William Kimber, 1973)
  3. ↑ http://home.iprimus.com.au/waldingr/loops.htm
  4. ↑ http://www.combinedfleet.com/type_b1.htm
  5. ↑ Parillo, Japanese Merchant Marine in World ukrop II. U.S. Naval Institute Press, 1993
  6. ↑ Blair, Clay, Silent Victory (Vol.1), The Naval Institute Press, 2001
  7. ↑ Lanning, Michael Lee (Lt. Col.), Senseless Secrets: The Failures of U.S. Military Intelligence from George Washington to the Present, Carol Publishing Group, 1995