N-1-3-075.05, "Internet Digest", by Philip H. Enslow, Jr.*, "Computer Networks and ISDN Systems" Recent items of interest. CN/ISDN is published by Elsevier Science Publishers, Journal Department, P.O. Box 211, 1000 AE Amsterdam, Netherlands. The following issues have recently been distributed: Special Issue on "High-speed Local and Metropolitan Networks," G. Pujolle and O. Spaniol, Guest Editors; Vol. 24, No. 2. Special Issue on "Protocol Specification, Testing and Verification," L. Logrippo, R.L. Probert and H. Ural, Guest Editors; Vol. 24, No. 3. Special Issue on "The ATM-Asynchronous Transfer Mode," H. Rudin, Guest Editor; Vol. 24, No. 4. The last issue of 1992, Vol. 24, No. 5, has also been distributed. In 1993, there will be 12 issues in Vol. 25, and the page count for the year will be increased by 50%. Vol. 25, No. 1, will be a special issue on "Formal Description Techniques," S. Chanson, K. Turner, H. Rudin, and S. Vuong, Guest Editors. Several other special issues are scheduled for Vol. 25, which will be issued on a monthly basis. *Editor-in-chief, "Computer Networks and ISDN Systems", Professor, College of Computing, Georgia Institute of Technology