H. Chikahisa
- Planning and mapping of subsurface space in Japan. Dans: Tunnelling and Underground Space Technology, v. 15, n. 3 (juillet 2000). (2000):
- Plan and survey of an underground art museum in Japan, using a large-scale rock cavern. Dans: Tunnelling and Underground Space Technology, v. 11, n. 4 (octobre 1996). (1996):