829- On The Planning Method "PERT" and its Application in the GDR/عن طريقة التخطيط "PERT" وتطبيقها في جمهورية ألمانيا الديمقراطية

828- On The Critical Path Method (C.P.M) and its Application in the G.D.R

927- Problems of Long-term Planning in the German Democratic Republic

1455- P E R T / CPM . A Modified Version

1456- PERT / CPM Techniques in Planning and Monitoring Some Agricultural Projects

1131- Price Planning in Socialism (bases and possibilities - its Preparation, Implementation and Organization at the case of the German Democratic Republic)

617-PLANNING OF TECHNICAL PROGRESS IN INDUSTRY Part II Planning of temporal progress of research and development

564- Program Evaluation and Review Technique (PERT) With Computer Application II. PERT/COST

1109- Planning of Industrial Production in the USSR

307- New Trends in Polytechnical Education with Special Reference to Planning of Manpower Demand in the Lon Run (experience of G.D.R)