TY - RPRT TI - Atomic nitrogen measurements in the upper thermosphere AU - Mauersberger, K. AU - Engebretson, M. J. AU - Potter, W. E. AU - Kayser, D. C. AU - Nier, A. O. PY - 1977 UR - https://ntrs.nasa.gov/citations/19780034225 ID - 19780034225 ER -