TY - JOUR AU - P. Wilson BT - Astrophysical Journal DO - 10.1086/148389 N1 - JILA Pub. 121 PY - 1965 EP - 1195\textendash1201 T2 - Astrophysical Journal TI - On Photospheric Mean Values UR - http://adsabs.harvard.edu/full/1965ApJ...142.1195W VL - 142 ER -