Letter thanks to teh staff of Informatics Department for valuable comments and questions which are of great help in the work on PL/1 Standardization Project Date: 16.04.1974 Original document language: English Authors: J. Besse Organizations: ECMA Persons: L. L. Zmiyevskaya, Liliya A. Korneva Addressee: Andrei Petrovich Ershov
