TY - JOUR AU - L. Kovalenko AU - Stephen Leone AU - J. Delos BT - The Journal of Chemical Physics DA - Jan-01-1989 DO - 10.1063/1.457312 PY - 1989 EP - 6948 T2 - The Journal of Chemical Physics TI - Mechanism of collisionally induced transitions among fine-structure levels: Semiclassical calculations of alignment effects in the Na\textendashHe system VL - 91 SN - 00219606 ER -