TY - JOUR AU - Lewis Branscomb BT - Annals of Geophysics CY - Boulder, Colorado DA - 1964-01 IS - 1 M1 - 1 PP - Boulder, Colorado PY - 1964 SP - 1 EP - 40 T2 - Annals of Geophysics TI - Review of Photodetachment and Related Negative Ion Processes Relevant to Aeronomy VL - 20 ER -