1. Measurement of the ozone concentration from 55 to 95 km at sunset;Miller;Planet. Space Sci.,1973
2. Murcray , D. G. D. B. Barker J. M. Brooks J. J. Kosters F. H. Murcray W. J. Williams Atmospheric Emission at High Latitudes June University of Denver Denver 1972
3. Wyatt , C. L. Infrared Helium-Cooled Circular Variable Spectrometer, Model HS-1 September Electro-Dynamics Laboratories, Utah State University Logan 1971