1. Alexander, I.B.: 1967, Observatory 87, 238.
2. Babcock, H.D.: 1945, Astrophys. J. 102, 54.
3. Bahcall, J.N. and Shaviv, G.: 1967, preprint (Caltech).
4. Baker, N.H. and Temesvary, S.: 1966, Table of Convective Stellar Envelope Models, Institute for Space Studies, Goddard Space Flight Center.
5. Behring, W.E., MacAllister, C., and Rense, W.A.: 1960, A Preliminary Photometric Atlas of the Solar UV Spectrum from 1800 to 2965 Å, University of Colorado.