ISBN 4320046846 books & textbook
Shīkensu sōjo to suichū kazanganrui
Kōichi Hoyanagi; Hiroki Matsuda; Hiromitsu Yamagishi; Nihon Chishitsu Gakkai.
Tōkyō : Kyōritsu Shuppan, 2006. /2006-07-01 Tankobon Hardcover
isbn-10: 4320046846 / isbn-13: 9784320046849
