White dwarf cooling tracks and mass-radius relations for DO-DB white dwarfs are available for a wide range of stellar masses. The results presented below have been published in the following papers:
Updated Evolutionary Sequences for Hydrogen-deficient White Dwarfs, Camisassa, M., Althaus, L. G., Rohrmann, R. D., García-Berro, Torres, S., Córsico, A. H., Wachlin, F. C., 2017, ApJ, 839, 11
New evolutionary sequences for hot H-deficient white dwarfs on the basis of a full account of progenitor evolution, Althaus, L. G., Panei, J. A., Miller Bertolami, M. M., García-Berro, E., Córsico, A. H., Romero, A. D., Kepler, S. O., Rohrmann, R. D. 2009, ApJ, 704, 1605
The formation and evolution of hydrogen-deficient post-AGB white dwarfs: The emerging chemical profile and the expectations for the PG 1159-DB-DQ evolutionary connection, Althaus, L. G., Serenelli, A. M., Panei, J. A., Córsico, A. H., García-Berro, E., Scóccola, C. G. 2005, A&A, 435, 631