| 1 | The observation and analysis of of stellar photosheres, David F. Gray. Cambridge University Press, 1992 |
| 2 | Interpreting Astronomical Spectra, Emerson, D. John Wiley and Sons, 1996 |
| 3 | An introduction to Radiative Transfers-Methods and Applications in Astrophysics, Peraiah, A. Cambridge University Press, 2002 |
| 4 | Introduction to Stellar Astrophysics Volume 2, E. B. Vitense. Cambridge University Press, 1989 |
| 5 | Introduction to Optcis, Frank L. Pedrotti, Leno S. Pedrotti, Prentice-Hall Inc. Second Edition, 1992 |
| 6 | http://wwwuser.oat.ts.astro.it/castelli/ (ATLAS 9) |
| 7 | http://iraf.noao.edu/ |