Letter on a Form The author invites the addressee to join the computer society of the IEEE. This invitation gives the possibility to participate in any of their 33 Technical Committees, to attend any of their 90 conferences, and also to subscribe to SOFTWARE Magazine at a special combination rate. Date: 01.12.1987 Original document language: English Authors: Merlin G. Smith Addressee: Andrei Petrovich Ershov