TY - JOUR AU - C. Pecker AU - Richard Thomas BT - Astrophysical Journal DO - 10.1086/147570 N1 - JILA Pub. 17 PY - 1963 SE - 967 T2 - Astrophysical Journal TI - Some Limits on the Effect of Coronal Self-Emission on the Excitation State of Coronal Ions UR - http://adsabs.harvard.edu/full/1963ApJ...137..967P VL - 137 ER -