Classe U (sommergibile): differenze tra le versioni

Versione delle 12:22, 5 mag 2018

Versione delle 05:20, 30 mag 2018

Riga 161:

* {{cita web |lingua=en |titolo=Undine Class |url=http://www.battleships-cruisers.co.uk/undine_class.htm }}

* {{cita web |lingua=en |titolo=Umpire Class |url=http://www.battleships-cruisers.co.uk/umpire_class.htm }}

* {{cita web |lingua=en |titolo=U & V Class Submarines |url=http://home.cogeco.ca/~gchalcraft/sm/UClass.html |urlarchivio=httphttps://web.archive.org/web/20070501164259/http://home.cogeco.ca/~gchalcraft/sm/UClass.html |dataarchivio=1º maggio 2007-05-01 |urlmorto=sisì }}

* {{cita web |lingua=en |titolo=UNDINE ("U" prewar programs) submarines (1938) |url=http://www.navypedia.org/ships/uk/brit_ss_u_prewar.htm }}

* {{cita web |lingua=en |titolo="U" War Emergency and 1940 Programs and 1941 Program "short hull" submarines (UTMOST) (1940 - 1943) |url=http://www.navypedia.org/ships/uk/brit_ss_u_war_1940_1941.htm }}

* {{cita web |lingua=en |titolo=U & V Class Single Hull Coastal Submarines |url=http://www.submariners.co.uk/Boats/Barrowbuilt/UV_Class/index.htm |urlarchivio=httphttps://web.archive.org/web/20070930201209/http://www.submariners.co.uk/Boats/Barrowbuilt/UV_Class/index.htm |dataarchivio=2007-09-30 settembre 2007 |urlmorto=sisì }}

* {{cita web |lingua=en |titolo=U class submarines |url=http://uboat.net/allies/warships/class/50.html }}