B70: L. Liu, Y. Q. Zhao, J. G. Wang, R. K. Janev, H. Tanuma, "Polarization degree differences for the 3p 2P3/2 - 3s 2S1/2 transition of N4+ ( 3p 2P3/2) produced in N5+ - He and N5+ - H2 collisions", Physical Review A81, 014702 (2010). [10.1103/physreva.81.014702]