References

• Brandl B., Sams B.J., Bertoldi F., et al., 1996, ApJ 466, 254 NASA ADS
• Ellis R.S., 1997, ARA&A 35, 389 NASA ADS
• Elmegreen B.G., 1997, ApJ 486, 944 NASA ADS
• Hunter D.A., O'Neil E.J., Lynds R., et al., 1996, ApJ 459, L27 NASA ADS
• Malumuth E.M., Heap S.E., 1994, AJ 107, 1054 NASA ADS
• Massey P., 1985, PASP 97, 5 NASA ADS
• Massey P., 1998, in Stellar Astrophysics for the Local Group, Aparicio A., Herrero A. and Sánchez F. (eds.). Cambridge University Press, Cambridge, UK
• Massey P., Hunter D.A., 1998, ApJ 493, 180 (MH) NASA ADS
• Melnick J., 1985, A&A 153, 235 NASA ADS
• Parker J.Wm., 1993, AJ 106, 560 NASA ADS
• Schmidt-Kaler Th., 1982, in Stars and Star Clusters, Vol. 2b, Schaifers K. and Voigt H.H. (eds.), part of the Landolt-Börstein series on Numerical Data & Functional Relationships in Science and Technology. Springer-Verlag, Berlin-Heidelberg
• Selman F.J., Melnick J., Bosch G.L., Terlevich R.J., 1999, A&A 341, 98 (Paper I) NASA ADS
• Stasinska G., Leitherer C., 1996, ApJS 107, 661 NASA ADS
• Underhill A.B., 1983, in: Garrison R.F. (ed.), The MK Process and Stellar Classification. David Dunlap Observatory, Toronto, p. 60
• Walborn N.R., 1991, in: Haynes R., Milne D. (eds.), IAU Symp. 148, The Magellanic Clouds. Kluwer, Dordrecht, p. 145
• Walborn N.R., Blades J.C., 1997, ApJSS 112, 457
• Walborn N.R., Fitzpatrick E.L., 1990, PASP 102, 379 NASA ADS