Letter notification of not being able to be present at the Working Group meeting because of attending the TC2 in Zakopane; discussion of controversial questions of Algol 68 revision; information on BETA project Date: 31.08.1972 Original document language: English Authors: Andrei Petrovich Ershov Persons: Paul Branquart, H. Leroy (Grenoble) Addressee: Manfred Paul, Werner Kuich