Dōro ni kansuru gyōsei kansatsu (kōsoku dōro tō) kekka hōkokusho
Publisher: Sōmuchō Gyōsei Kansatsukyoku
Published: 1991
Place of publication: [Tokyo]
Language: jpn
Number of pages: 158
Subjects: Roads; Government policy
Notes: Cover title.

"F 18."