LEADER 01035cam a2200325 a 4500001    46930
005    20240621144926.0
008    001005s1999    mdu      b    001 0 eng d
010       99074458 
020    1557501580
035    (OCoLC)ocm43658268
035    46930
042    lccopycat
043    l------
049    LHMA
040    CGU |beng |erda |cDLC |dCGU |dLHM
050 00 D770 |b.G37 1999
100 1  Gardner, W. J. R.
245 10 Decoding history : |bthe battle of the Atlantic and Ultra.
264  1 Annapolis, Md. : |bNaval Institute Press, |c1999.
300    xvii, 263 pages ; |c23 cm
336    text |btxt |2rdacontent
337    unmediated |bn |2rdamedia
338    volume |bnc |2rdacarrier
504    Includes bibliographical references (pages 219-256) and index.
591    Record updated by Marcive processing 21 June 2024
650  0 World War, 1939-1945 |xCampaigns |zAtlantic Ocean.
650  0 ULTRA (Intelligence system)
994    E0 |bLHM
852 0   |bstacks |hD770 |i.G37 1999