Abstract
Ariel and Epicwin are the software used in the electronic document transmission system, and the possibility of use in future document delivery systems is expected. At present, the system has been introduced into some 10 university libraries, even the Nagasaki University of Technology Library introduced the system in March 1998. A problem in the trials and other matters expressed when introducing the software of Ariel and EpicWin are reviewed in this paper. Furthermore, the problem of the public recognizing copyrighs and related trends are mentioned.
