TY - RPRT TI - Nightside Ionosphere of Mars: Composition, Vertical Structure, and Variability AU - Girazian, Z. AU - Mahaffy, P. R. AU - Lillis, R. J. AU - Benna, Mehdi AU - Elrod, Meredith K. AU - Jakosky, B. M. PY - 2017 UR - https://ntrs.nasa.gov/citations/20180003592 ID - 20180003592 ER -