Takashima, Tetsuji Jitsuzen! sugu yakudatsu benkyou no gijyutsu : Atama no ii shakaijin no yomu erabu oboeru kangaeru / Tetsuji Takashima - Tokyo : Mikasa, 2001 - 250 p. ; 16 cm. - Chiteki ikikata bunko . ISBN: 4837972020 Dewey Class. No.: 379