Letter with Attachments Information on the Working Conference "Program Language and Related Interfaces". There are attached a form for participation and a preliminary invitation list. Submitted to the 27th TC 2 meeting. (Doc. "Brussels-12".) Date: 21.11.1980 Original document language: English Authors: Friedrich R. Hertweck, John McKeehan Persons: Rosalie A. Pocock (Zobel-Pocock)
