Seishōnen no seiishiki
By: Sōrifu Seishōnen Taisaku Honbu hen
Series: Seishōnen mondai kenkyū chōsa hōkokusho; Seishōnen mondai kenkyū chōsa hōkokusho
Publisher: Ōkurashō Insatsukyoku
Published: 1972
Place of publication: Tōkyō
Language: jpn
Number of pages: 310
Subjects: Youth; Sexual behavior