Heisei 20-nendo chū-kōkōsei ni taisuru jitensha no anzen riyō ni kansuru chōsa kenkyū hōkokusho
Publisher: Keisatsuchō Kōtsūkyoku Kōtsū Kikakuka
Published: 2008
Place of publication: [Tokyo]
Language: jpn
Number of pages: 132
Subjects: Bicycles; Safety measures
Other titles: Chū-kōkōsei ni taisuru jitensha no anzen riyō ni kansuru chōsa kenkyū hōkokusho