1. ‘Results of further research on composite insulation of high polymer tapes and oil for extra-high-voltage cables’, CIGRÉ, 1964
2. ‘Contribution to the development of power cables for high and extra-high voltage with a composite insulation of synthetic high polymer materials and oil’, CIGRÉ, 1958
3. ‘On the impulse strength of a composite insulation of synthetic high polymer materials and oil as a dielectric for high and extra high voltage cables’, CIGRÉ, 1960