1. , , and , ‘Über die Tribofragmentierung von Verschleiss-schutzadditiven und die ober-flachenanalytische Charakterisierung der gebildeten Reaktionsschichten’, 5th International Colloquium, Additives for Lubricants and Operational Fluids, Technische Akademie Esslingen, Germany, 14-16 January 1986, pp. 3.9-1 to 3.9-19.
2. Studies on extreme pressure films — reactions of sulphurized vegetable oils and alkyl phenols with iron
3. , and , ‘Chemical Structure and Effectiveness of Some Polysulphide Extreme Pressure Additives’, 5th International Colloquium, Additives for Lubricants and Operational Fluids, Technische Akademie Esslingen, Germany, 14-16 January 1986, pp 4.7–1 to 4.7–8.
4. Structure chimique et propriétés extrême-pression de sulfures et de polysulfures organiques