Citation:
Debes J H, Kilic M, Faedi F, Shkolnik E L, Lopez-Morales M, Weinberger A J, Slesnick C, West R G. Detection of Weak Circumstellar Gas around the DAZ White Dwarf WD 1124-293: Evidence for the Accretion of Multiple Asteroids. \apj. 2012;754 (1) :59.