A selection in Braille also published quarterly. Available in microform from Unesco, University Microfilms (Xerox), Indian Head, Inc., and Bell and Howell Co. Also available on the World Wide Web.
Issued also in 26-33 other language editions.
June 1989-v. 53, no. 6 (June 2000); v. 53, no. 9-no. 12 (Sept. 2000-Dec. 2000), v. 54, no. 1-7 (Jan.-Jul. 2001); v. 54, no. 9-12 (Sept.-Dec. 2001).