M Nagatomo, April 14, 1993, "Space Tourism: Spaceflight for the General Public", A comment presented at
Space Tourism Study Conference held on April 14, 1993. Edited and translated into English from taped transcript originally in Japanese. Originally published in the
Journal of Space Technology and Science, Vol.9 No.1
'93 spring, pp.24-28.
Also downloadable from http://www.spacefuture.com/archive/space tourism spaceflight for the general public.shtml