TY - JOUR AU - D. Crandall AU - G. York AU - V. Pol AU - J. Park BT - Physical Review Letters DA - Jan-02-1972 DO - 10.1103/PhysRevLett.28.397 PY - 1972 SP - 397 EP - 400 T2 - Physical Review Letters TI - Collisional Excitation of N+ at 50 keV UR - http://link.aps.org/doi/10.1103/PhysRevLett.28.397 VL - 28 SN - 0031-9007 ER -