1. Aso, T., Kato, S. andHarper, R. M. (1977),Arecibo middle atmosphere experiment, Geophys. Res. Lett.4, 10–12.
2. Balsley, B. B. (1978),The use of sensitive coherent radars to examine atmospheric parameters in the height range 1–100 km, Preprint Vol. 18th Conf. on Radar Meteorology (to be publ., Amer. Meteor. Soc., Boston).
3. Balsley, B. B. andGreen, J. L. (1978),Coherent radar systems for probing the troposphere, stratosphere, and mesosphere, Preprint Vol. 4th Symp. on Meterological Observations and Instrumentation (to be publ., Amer. Meteor. Soc., Boston).
4. Balsley, B. B. andGage, K. S. (1980),The MST radar technique: Potential for middle atmospheric studies, J. Pure Appl. Geophys.118, 452–493.
5. Battan, L. J.,Radar Observation of the Atmosphere (The University of Chicago Press, Chicago and London 1973).