Akira Ono1946BooksZukai Nihon no jinrui isekiDasei kokkironKyūsekki jidai no Nihon Rettō to sekaiMaruyama iseki hakkutsu chōsa hōkokushoMattobara iseki IIKankyō to jinruiNihon hakkutsu!Chōja Iwaya Iwakage (dai 1-ji, 2-ji chōsa hōkokuChikyūshi ga kataru kin-mirai no kankyōAuthor data: Open Library
