1. Abel, T., Bryan, G.L., Norman, M.L., 2000. Astrophys. J. in press.
2. Theoretical Models of Photoionized Intergalactic Hydrogen
3. Barkana, R., Loeb, A., 2000. Astrophys. J., in press.
4. Beers, T.C., 1999. In: The First Stars. ESO Publications, Munich.
5. Bromm, V., Coppi, P.S., Larson, R.B., 2000. Astrophys. J., in press.