1. Zufferey, C.: ‘Cross-polarisation measurements at 13 GHz on a slant terrestrial path: comparison between circular and linear polarisation’, (European Space Agency, Technical Centre of the Swiss PTT, Berne, Switzerland 1976 June),Colloquium on frequency re-use transmission experiment at 180 Mbits/s over the Jungfrau link
2. CCIR DOC.5/CAN 3 (Canada), (1974–1978]: ‘Measurements of rain depolarisation and attenuation along an earth-space path at 11.7GHZ’, 15th April 1977
3. CCIR DOC.5/206 (Canada), [1974–1978]: ‘Techniques for the prediction of rain depolarization statistics at microwave and millimetre wavelengths’, 20th May 1977