- tank-afv.com ww2/jap/O-I.phpInformation for the developement the O-I leans heavily on Shigeo Otaka, who had first-hand knowledge of its development and has shared his story.
- wiki.wargaming.net en/Tank:J24_Mi_To_130_tonsThe O-I is a Japanese tier 6 heavy tank . Development of the superheavy tank was started after the Battles of Khalkhyn Gol in 1939.
- worldoftanks.eu tr/news/general-news/Japanese-oi-…Toplam 970 Cana sahip olan O-I, Premium TOG II* tankı hariç olmak üzere, emsallerinin arasındaki en yüksek hayatta kalma becerisine sahiptir.Bulunamadı: танк
- acupstudios.wixsite.com abouteverything/post/…Конструкторы назвали этот танк Mi-To (от Mitsubishi-Tokyo), в армии получил индекс O-I (от Большой-Первый по-японски).
- en.wikipedia.org O-I super-heavy tankThe complete history of the O-I is unknown, due to the “obscure” nature of the project and the limited documentation known to have survived post-war.[4].
- youtube.com watchОбзор танка O-I - тяжелый танк 6 уровня японской ветки танков. Отличная броня, хорошая фугасница (почти как у КВ-2), хорошее сведение и...426 bin görüntülemeYayınlandı21 Nis 2020
- wotgarage.net japan/6/5473/o-iTank from Japan O-I Heavy tank Tier 6 Assault Heavy Tank Assault Heavy Tank. ... Mastery badges for O-I - base XP neededBulunamadı: танк
- forum.warthunder.com t/japans-phantom-multi-…The complete history of the O-I is unknown, due to the “obscure” nature of the project and the limited documentation known to have survived post-war.