1. Brand J. and Blitz L. (1993) Astron Astrophys, 275, 67
2. Kurucz, R.L. (1992) in IAU Symp. 149, Stellar Populations of Galaxies, eds B.Barbuy and A Renzini, Dordrecht:Kluwer, 225
3. Pont F., Mayor M., and Burki G. (1994) Astron Astrophys, 285, 415
4. Slowik D. and Peterson D.M. (1993) Astron J, 105, 1967
5. Slowik, D. and Peterson, D.M. (1994) Astron J, submitted