TY - JOUR AU - A. Pradhan BT - Monthly Notices of the Royal Astronomical Society N1 - JILA Pub. 1985 PY - 1980 SP - 5P EP - 8P T2 - Monthly Notices of the Royal Astronomical Society TI - Photo-ionization cross-sections of NE II, NE III and NE IV UR - http://adsabs.harvard.edu/full/1980MNRAS.190P...5P VL - 190 ER -