Abstract
New version of "Ichushi-web" - "Ichushi-Web (Ver.4)" has been introduced. (1) "Ichushi-Web (Ver.4)" provides links to full-text articles, OPAC (Online Public Access Catalogue) system of libraries, etc. (2) It is equipped with some new functions which were created in response to demands by many users. (3) Some functions which were hard to use have been improved.
