TY - JOUR T1 - DIFFUSION-COEFFICIENTS FOR THREE MAJOR IONS IN THE TOPSIDE IONOSPHERE JO - PLANET SPACE SCI PY - 1981/01/01 AU - QUEGAN S AU - BAILEY GJ AU - MOFFETT RJ ED - VL - 29 IS - 8 SP - 851 EP - 867 Y2 - 2024/12/25 ER -