二億五千万年目の邂逅
From Author Wars - https://authorwars.com/books/er-yi-wu-qian-mo-nian-mu-noxie-hou-2357172.html
Editions/Publications:
- Unknown. S-Fマガジン 1990年01月号, #388 (Unknown, 内藤淳一郎, 早川書房, 288 pages, Trade Paperback, MAGAZINE)
From Author Wars - https://authorwars.com/books/er-yi-wu-qian-mo-nian-mu-noxie-hou-2357172.html