TY - JOUR AU - R. LeLevier AU - Lewis Branscomb BT - Journal of Geophysical Research DA - Jan-01-1968 DO - 10.1029/JA073i001p00027 PY - 1968 SP - 27 EP - 41 T2 - Journal of Geophysical Research TI - Ion chemistry governing mesospheric electron concentrations VL - 73 ER -