TY - JOUR AU - K. Takayanagi BT - Report Ionosphere Space Research Japan N1 - JILA Pub. 137 PY - 1965 T2 - Report Ionosphere Space Research Japan TI - Behavior of Slow Electrons in Atmospheric Gases Part I. General Consideration of Rotational Excitation and Application to the Oxygen Molecule VL - 19 ER -