1. 1973 ‘Remote sounding of the atmosphere,’ D.Phil. Thesis. Oxford University.
2. Berlin Free University Daily 50, 30 and 10mb height maps of the northern hemisphere, published by the Institut für Meteorologie.
3. Propagation of planetary-scale disturbances from the lower into the upper atmosphere
4. CIRA 1972 Cospar International Reference Atmosphere, Ed. Akademie-Verlag, Berlin 1972.