Consultations between the Supervisory Board of Stork-Werkspoor Diesel B V of Amsterdam, the Netherlands, and B.W.E. Koning have led to the agreement that Mr. Koning resign his post as managing director, effective January 1, 1981. J.W. Hoving, formerly Board of Management director in charge of financial and social affairs, has taken on full responsibility of the general management from that date. The announcement was made by A. Prins, chairman of the Supervisory Board of Directors.