続続やわらかい頭
Subtitle: taiwa kōfuku no tame no kagaku e
By: Mori Masahiro, Katayama Ryūji
Publisher: Jiji Tsūshinsha
Published: 1973
Place of publication: Tōkyō
Language: jpn
Number of pages: 233
Subjects: Science; Miscellanea
Other titles: Zokuzoku Yawarakai atama; Yawarakai atama