ISBN 9784531015566 books & textbook
Shizen e no kainyū wa dokomade yurusareruka = Boundaries : Jirei de manabu kankyō rinri
Christine E Gudorf; James Edward Huchingson; Miki Sendai
Tōkyō : Nihon Kyōbunsha, 2008. /2008-06-01 Tankobon Hardcover
isbn-10: 4531015568 / isbn-13: 9784531015566
