The results presented below have been published in the following papers:
The age and colors of massive white dwarfs, Althaus L. G., García-Berro E., Isern J., Córsico, A. H., Rohrmann, R. D. 2007, A&A, 465, 249
Mass Radius relations for massive white dwarf stars , Althaus L. G., García-Berro E., Isern J., Córsico, A. H. 2005, A&A, 441, 689