Ritō ni okeru minsei no antei kōjō o hakaru tame no kaijō yusō taikei no seibi ni kansuru kenkyū
Subtitle: Iki, Tsushima.
Edition: Shōwa 61-nendo
Publisher: Kyūshū Kaiun Shinkō Sentā
Published: 1986
Place of publication: Kitakyūshū-shi
Language: jpn
Subjects: Inland water transportation -- Japan -- Kyūshū Region.; Iki Island (Nagasaki-ken, Japan); Tsushima Island (Japan)
Notes: Cover title.

Errata slip inserted in v. 1.
Table of contents: value: v. 1. Chūkan hōkoku; value: v. 2. Hōkokusho