TY - JOUR AU - K. Takayanagi AU - Sydney Geltman BT - Physical Review DA - 1965-05 DO - 10.1103/PhysRev.138.A1003 PY - 1965 SP - A1003 EP - A1010 T2 - Physical Review TI - Excitation of Molecular Rotation by Slow Electrons VL - 138 SN - 0031-899X ER -