I. H. U. O. Leicester

A near-IR spectrum of the DO white dwarf RE J0503-285

A. Levan, U. Arizona, M. Burleigh, 2005, astro-ph/0506384.

The ROSAT Wide Field Camera Extragalactic Survey

NasaGsfc, R. Edelson, S. Vaughan, 1999, astro-ph/9903198.

Constraining the energy budget of GRB 080721

E. Rol, J. P. Osborne, K. L. Page, 2008, 0812.2490.

Praesepe and the seven white dwarfs

Tucson, AZ, R. F. Jameson, 2004, astro-ph/0410529.